71812688

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{41177}}^1$

素因数の和:41294

約数の個数: 20

約数和(自身を含む): 140416980

約数和(自身を除く): 68604292

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 41177, 82354, 164708, 329416, 658832, 4488293, 8976586, 17953172, 35906344, 71812688]

約数ペア:

[(1, 71812688), (2, 35906344), (4, 17953172), (8, 8976586), (16, 4488293), (109, 658832), (218, 329416), (436, 164708), (872, 82354), (1744, 41177)]