61123456

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 131518800

約数和(自身を除く): 70395344

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 304, 328, 608, 613, 656, 779, 1216, 1226, 1312, 1558, 2432, 2452, 2624, 3116, 4904, 5248, 6232, 9808, 11647, 12464, 19616, 23294, 24928, 25133, 39232, 46588, 49856, 50266, 78464, 93176, 99712, 100532, 186352, 201064, 372704, 402128, 477527, 745408, 804256, 955054, 1490816, 1608512, 1910108, 3217024, 3820216, 7640432, 15280864, 30561728, 61123456]

約数ペア:

[(1, 61123456), (2, 30561728), (4, 15280864), (8, 7640432), (16, 3820216), (19, 3217024), (32, 1910108), (38, 1608512), (41, 1490816), (64, 955054), (76, 804256), (82, 745408), (128, 477527), (152, 402128), (164, 372704), (304, 201064), (328, 186352), (608, 100532), (613, 99712), (656, 93176), (779, 78464), (1216, 50266), (1226, 49856), (1312, 46588), (1558, 39232), (2432, 25133), (2452, 24928), (2624, 23294), (3116, 19616), (4904, 12464), (5248, 11647), (6232, 9808)]