155531416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{11497}}^1$

素因数の和:11611

約数の個数: 32

約数和(自身を含む): 310446000

約数和(自身を除く): 154914584

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 11497, 13528, 22994, 45988, 91976, 218443, 436886, 873772, 1023233, 1747544, 2046466, 4092932, 8185864, 19441427, 38882854, 77765708, 155531416]

約数ペア:

[(1, 155531416), (2, 77765708), (4, 38882854), (8, 19441427), (19, 8185864), (38, 4092932), (76, 2046466), (89, 1747544), (152, 1023233), (178, 873772), (356, 436886), (712, 218443), (1691, 91976), (3382, 45988), (6764, 22994), (11497, 13528)]