639202210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1\times {\mathrm{2917}}^1$

素因数の和:4230

約数の個数: 32

約数和(自身を含む): 1219607280

約数和(自身を除く): 580405070

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1289, 2578, 2917, 5834, 6445, 12890, 14585, 21913, 29170, 43826, 49589, 99178, 109565, 219130, 247945, 495890, 3760013, 7520026, 18800065, 37600130, 63920221, 127840442, 319601105, 639202210]

約数ペア:

[(1, 639202210), (2, 319601105), (5, 127840442), (10, 63920221), (17, 37600130), (34, 18800065), (85, 7520026), (170, 3760013), (1289, 495890), (2578, 247945), (2917, 219130), (5834, 109565), (6445, 99178), (12890, 49589), (14585, 43826), (21913, 29170)]