72640278

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{23327}}^1$

素因数の和:23508

約数の個数: 24

約数和(自身を含む): 158303808

約数和(自身を除く): 85663530

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 23327, 46654, 69981, 139962, 209943, 419886, 4035571, 8071142, 12106713, 24213426, 36320139, 72640278]

約数ペア:

[(1, 72640278), (2, 36320139), (3, 24213426), (6, 12106713), (9, 8071142), (18, 4035571), (173, 419886), (346, 209943), (519, 139962), (1038, 69981), (1557, 46654), (3114, 23327)]