71657638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 118389600

約数和(自身を除く): 46731962

約数列:

[1, 2, 13, 26, 89, 173, 178, 179, 346, 358, 1157, 2249, 2314, 2327, 4498, 4654, 15397, 15931, 30794, 30967, 31862, 61934, 200161, 207103, 400322, 402571, 414206, 805142, 2756063, 5512126, 35828819, 71657638]

約数ペア:

[(1, 71657638), (2, 35828819), (13, 5512126), (26, 2756063), (89, 805142), (173, 414206), (178, 402571), (179, 400322), (346, 207103), (358, 200161), (1157, 61934), (2249, 31862), (2314, 30967), (2327, 30794), (4498, 15931), (4654, 15397)]