81282128

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{619}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 163754400

約数和(自身を除く): 82472272

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 283, 464, 566, 619, 1132, 1238, 2264, 2476, 4528, 4952, 8207, 9904, 16414, 17951, 32828, 35902, 65656, 71804, 131312, 143608, 175177, 287216, 350354, 700708, 1401416, 2802832, 5080133, 10160266, 20320532, 40641064, 81282128]

約数ペア:

[(1, 81282128), (2, 40641064), (4, 20320532), (8, 10160266), (16, 5080133), (29, 2802832), (58, 1401416), (116, 700708), (232, 350354), (283, 287216), (464, 175177), (566, 143608), (619, 131312), (1132, 71804), (1238, 65656), (2264, 35902), (2476, 32828), (4528, 17951), (4952, 16414), (8207, 9904)]