628863728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21211}}^1$

素因数の和:21345

約数の個数: 40

約数和(自身を含む): 1301992560

約数和(自身を除く): 673128832

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 872, 1744, 1853, 3706, 7412, 14824, 21211, 29648, 42422, 84844, 169688, 339376, 360587, 721174, 1442348, 2311999, 2884696, 4623998, 5769392, 9247996, 18495992, 36991984, 39303983, 78607966, 157215932, 314431864, 628863728]

約数ペア:

[(1, 628863728), (2, 314431864), (4, 157215932), (8, 78607966), (16, 39303983), (17, 36991984), (34, 18495992), (68, 9247996), (109, 5769392), (136, 4623998), (218, 2884696), (272, 2311999), (436, 1442348), (872, 721174), (1744, 360587), (1853, 339376), (3706, 169688), (7412, 84844), (14824, 42422), (21211, 29648)]