261223956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 782990208

約数和(自身を除く): 521766252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 131, 164, 193, 246, 252, 262, 287, 369, 386, 393, 492, 524, 574, 579, 738, 772, 786, 861, 917, 1148, 1158, 1179, 1351, 1476, 1572, 1722, 1737, 1834, 2316, 2358, 2583, 2702, 2751, 3444, 3474, 3668, 4053, 4716, 5166, 5371, 5404, 5502, 6948, 7913, 8106, 8253, 10332, 10742, 11004, 12159, 15826, 16113, 16212, 16506, 21484, 23739, 24318, 25283, 31652, 32226, 33012, 37597, 47478, 48339, 48636, 50566, 55391, 64452, 71217, 75194, 75849, 94956, 96678, 101132, 110782, 112791, 142434, 150388, 151698, 166173, 176981, 193356, 221564, 225582, 227547, 284868, 303396, 332346, 338373, 353962, 451164, 455094, 498519, 530943, 664692, 676746, 707924, 910188, 997038, 1036603, 1061886, 1353492, 1592829, 1994076, 2073206, 2123772, 3109809, 3185658, 4146412, 6219618, 6371316, 7256221, 9329427, 12439236, 14512442, 18658854, 21768663, 29024884, 37317708, 43537326, 65305989, 87074652, 130611978, 261223956]

約数ペア:

[(1, 261223956), (2, 130611978), (3, 87074652), (4, 65305989), (6, 43537326), (7, 37317708), (9, 29024884), (12, 21768663), (14, 18658854), (18, 14512442), (21, 12439236), (28, 9329427), (36, 7256221), (41, 6371316), (42, 6219618), (63, 4146412), (82, 3185658), (84, 3109809), (123, 2123772), (126, 2073206), (131, 1994076), (164, 1592829), (193, 1353492), (246, 1061886), (252, 1036603), (262, 997038), (287, 910188), (369, 707924), (386, 676746), (393, 664692), (492, 530943), (524, 498519), (574, 455094), (579, 451164), (738, 353962), (772, 338373), (786, 332346), (861, 303396), (917, 284868), (1148, 227547), (1158, 225582), (1179, 221564), (1351, 193356), (1476, 176981), (1572, 166173), (1722, 151698), (1737, 150388), (1834, 142434), (2316, 112791), (2358, 110782), (2583, 101132), (2702, 96678), (2751, 94956), (3444, 75849), (3474, 75194), (3668, 71217), (4053, 64452), (4716, 55391), (5166, 50566), (5371, 48636), (5404, 48339), (5502, 47478), (6948, 37597), (7913, 33012), (8106, 32226), (8253, 31652), (10332, 25283), (10742, 24318), (11004, 23739), (12159, 21484), (15826, 16506), (16113, 16212)]