644920992954

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2243}}^1\times {\mathrm{11353}}^1$

素因数の和:13681

約数の個数: 128

約数和(自身を含む): 1663228385280

約数和(自身を除く): 1018307392326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 938, 1206, 1407, 1809, 2243, 2814, 3618, 4221, 4486, 6729, 8442, 11353, 12663, 13458, 15701, 20187, 22706, 25326, 31402, 34059, 40374, 47103, 60561, 68118, 79471, 94206, 102177, 121122, 141309, 150281, 158942, 204354, 238413, 282618, 300562, 306531, 423927, 450843, 476826, 613062, 715239, 760651, 847854, 901686, 1051967, 1352529, 1430478, 1521302, 2103934, 2145717, 2281953, 2705058, 3155901, 4057587, 4291434, 4563906, 5324557, 6311802, 6845859, 8115174, 9467703, 10649114, 13691718, 15973671, 18935406, 20537577, 25464779, 28403109, 31947342, 41075154, 47921013, 50929558, 56806218, 76394337, 95842026, 143763039, 152788674, 178253453, 229183011, 287526078, 356506906, 458366022, 534760359, 687549033, 1069520718, 1375098066, 1604281077, 1706140193, 3208562154, 3412280386, 4812843231, 5118420579, 9625686462, 10236841158, 11942981351, 15355261737, 23885962702, 30710523474, 35828944053, 46065785211, 71657888106, 92131570422, 107486832159, 214973664318, 322460496477, 644920992954]

約数ペア:

[(1, 644920992954), (2, 322460496477), (3, 214973664318), (6, 107486832159), (7, 92131570422), (9, 71657888106), (14, 46065785211), (18, 35828944053), (21, 30710523474), (27, 23885962702), (42, 15355261737), (54, 11942981351), (63, 10236841158), (67, 9625686462), (126, 5118420579), (134, 4812843231), (189, 3412280386), (201, 3208562154), (378, 1706140193), (402, 1604281077), (469, 1375098066), (603, 1069520718), (938, 687549033), (1206, 534760359), (1407, 458366022), (1809, 356506906), (2243, 287526078), (2814, 229183011), (3618, 178253453), (4221, 152788674), (4486, 143763039), (6729, 95842026), (8442, 76394337), (11353, 56806218), (12663, 50929558), (13458, 47921013), (15701, 41075154), (20187, 31947342), (22706, 28403109), (25326, 25464779), (31402, 20537577), (34059, 18935406), (40374, 15973671), (47103, 13691718), (60561, 10649114), (68118, 9467703), (79471, 8115174), (94206, 6845859), (102177, 6311802), (121122, 5324557), (141309, 4563906), (150281, 4291434), (158942, 4057587), (204354, 3155901), (238413, 2705058), (282618, 2281953), (300562, 2145717), (306531, 2103934), (423927, 1521302), (450843, 1430478), (476826, 1352529), (613062, 1051967), (715239, 901686), (760651, 847854)]