1640294402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{720059}}^1$

素因数の和:720145

約数の個数: 16

約数和(自身を含む): 2644060320

約数和(自身を除く): 1003765918

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 720059, 1440118, 12241003, 24482006, 48243953, 96487906, 820147201, 1640294402]

約数ペア:

[(1, 1640294402), (2, 820147201), (17, 96487906), (34, 48243953), (67, 24482006), (134, 12241003), (1139, 1440118), (2278, 720059)]