1399019648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{840757}}^1$

素因数の和:840784

約数の個数: 32

約数和(自身を含む): 3001506060

約数和(自身を除く): 1602486412

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 840757, 1681514, 3363028, 6726056, 10929841, 13452112, 21859682, 26904224, 43719364, 53808448, 87438728, 107616896, 174877456, 349754912, 699509824, 1399019648]

約数ペア:

[(1, 1399019648), (2, 699509824), (4, 349754912), (8, 174877456), (13, 107616896), (16, 87438728), (26, 53808448), (32, 43719364), (52, 26904224), (64, 21859682), (104, 13452112), (128, 10929841), (208, 6726056), (416, 3363028), (832, 1681514), (1664, 840757)]