87238156

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 159553800

約数和(自身を除く): 72315644

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 179, 356, 358, 716, 1369, 2738, 3293, 5476, 6586, 6623, 13172, 13246, 15931, 26492, 31862, 63724, 121841, 243682, 245051, 487364, 490102, 589447, 980204, 1178894, 2357788, 21809539, 43619078, 87238156]

約数ペア:

[(1, 87238156), (2, 43619078), (4, 21809539), (37, 2357788), (74, 1178894), (89, 980204), (148, 589447), (178, 490102), (179, 487364), (356, 245051), (358, 243682), (716, 121841), (1369, 63724), (2738, 31862), (3293, 26492), (5476, 15931), (6586, 13246), (6623, 13172)]