81866148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 239151360

約数和(自身を除く): 157285212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 182, 183, 244, 273, 364, 366, 427, 546, 732, 793, 854, 1092, 1229, 1281, 1586, 1708, 2379, 2458, 2562, 3172, 3687, 4758, 4916, 5124, 5551, 7374, 8603, 9516, 11102, 14748, 15977, 16653, 17206, 22204, 25809, 31954, 33306, 34412, 47931, 51618, 63908, 66612, 74969, 95862, 103236, 111839, 149938, 191724, 223678, 224907, 299876, 335517, 447356, 449814, 524783, 671034, 899628, 974597, 1049566, 1342068, 1574349, 1949194, 2099132, 2923791, 3148698, 3898388, 5847582, 6297396, 6822179, 11695164, 13644358, 20466537, 27288716, 40933074, 81866148]

約数ペア:

[(1, 81866148), (2, 40933074), (3, 27288716), (4, 20466537), (6, 13644358), (7, 11695164), (12, 6822179), (13, 6297396), (14, 5847582), (21, 3898388), (26, 3148698), (28, 2923791), (39, 2099132), (42, 1949194), (52, 1574349), (61, 1342068), (78, 1049566), (84, 974597), (91, 899628), (122, 671034), (156, 524783), (182, 449814), (183, 447356), (244, 335517), (273, 299876), (364, 224907), (366, 223678), (427, 191724), (546, 149938), (732, 111839), (793, 103236), (854, 95862), (1092, 74969), (1229, 66612), (1281, 63908), (1586, 51618), (1708, 47931), (2379, 34412), (2458, 33306), (2562, 31954), (3172, 25809), (3687, 22204), (4758, 17206), (4916, 16653), (5124, 15977), (5551, 14748), (7374, 11102), (8603, 9516)]