81619636

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 168537600

約数和(自身を除く): 86917964

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 109, 188, 218, 329, 436, 569, 658, 763, 1138, 1316, 1526, 2276, 3052, 3983, 5123, 7966, 10246, 15932, 20492, 26743, 35861, 53486, 62021, 71722, 106972, 124042, 143444, 187201, 248084, 374402, 434147, 748804, 868294, 1736588, 2914987, 5829974, 11659948, 20404909, 40809818, 81619636]

約数ペア:

[(1, 81619636), (2, 40809818), (4, 20404909), (7, 11659948), (14, 5829974), (28, 2914987), (47, 1736588), (94, 868294), (109, 748804), (188, 434147), (218, 374402), (329, 248084), (436, 187201), (569, 143444), (658, 124042), (763, 106972), (1138, 71722), (1316, 62021), (1526, 53486), (2276, 35861), (3052, 26743), (3983, 20492), (5123, 15932), (7966, 10246)]