61818564

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 153171648

約数和(自身を除く): 91353084

約数列:

[1, 2, 3, 4, 6, 12, 37, 53, 71, 74, 106, 111, 142, 148, 159, 212, 213, 222, 284, 318, 426, 444, 636, 852, 1369, 1961, 2627, 2738, 3763, 3922, 4107, 5254, 5476, 5883, 7526, 7844, 7881, 8214, 10508, 11289, 11766, 15052, 15762, 16428, 22578, 23532, 31524, 45156, 72557, 97199, 139231, 145114, 194398, 217671, 278462, 290228, 291597, 388796, 417693, 435342, 556924, 583194, 835386, 870684, 1166388, 1670772, 5151547, 10303094, 15454641, 20606188, 30909282, 61818564]

約数ペア:

[(1, 61818564), (2, 30909282), (3, 20606188), (4, 15454641), (6, 10303094), (12, 5151547), (37, 1670772), (53, 1166388), (71, 870684), (74, 835386), (106, 583194), (111, 556924), (142, 435342), (148, 417693), (159, 388796), (212, 291597), (213, 290228), (222, 278462), (284, 217671), (318, 194398), (426, 145114), (444, 139231), (636, 97199), (852, 72557), (1369, 45156), (1961, 31524), (2627, 23532), (2738, 22578), (3763, 16428), (3922, 15762), (4107, 15052), (5254, 11766), (5476, 11289), (5883, 10508), (7526, 8214), (7844, 7881)]