637441194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 1394749440

約数和(自身を除く): 757308246

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 229, 254, 281, 381, 458, 562, 687, 762, 843, 1374, 1651, 1686, 2977, 3302, 3653, 4953, 5954, 7306, 8931, 9906, 10959, 17862, 21918, 29083, 35687, 58166, 64349, 71374, 87249, 107061, 128698, 174498, 193047, 214122, 378079, 386094, 463931, 756158, 836537, 927862, 1134237, 1391793, 1673074, 2268474, 2509611, 2783586, 5019222, 8172323, 16344646, 24516969, 49033938, 106240199, 212480398, 318720597, 637441194]

約数ペア:

[(1, 637441194), (2, 318720597), (3, 212480398), (6, 106240199), (13, 49033938), (26, 24516969), (39, 16344646), (78, 8172323), (127, 5019222), (229, 2783586), (254, 2509611), (281, 2268474), (381, 1673074), (458, 1391793), (562, 1134237), (687, 927862), (762, 836537), (843, 756158), (1374, 463931), (1651, 386094), (1686, 378079), (2977, 214122), (3302, 193047), (3653, 174498), (4953, 128698), (5954, 107061), (7306, 87249), (8931, 71374), (9906, 64349), (10959, 58166), (17862, 35687), (21918, 29083)]