1388890784

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{549403}}^1$

素因数の和:549492

約数の個数: 24

約数和(自身を含む): 2768996160

約数和(自身を除く): 1380105376

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 549403, 1098806, 2197612, 4395224, 8790448, 17580896, 43402837, 86805674, 173611348, 347222696, 694445392, 1388890784]

約数ペア:

[(1, 1388890784), (2, 694445392), (4, 347222696), (8, 173611348), (16, 86805674), (32, 43402837), (79, 17580896), (158, 8790448), (316, 4395224), (632, 2197612), (1264, 1098806), (2528, 549403)]