641472

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 1834896

約数和(自身を除く): 1193424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 257, 312, 416, 514, 624, 771, 832, 1028, 1248, 1542, 2056, 2496, 3084, 3341, 4112, 6168, 6682, 8224, 10023, 12336, 13364, 16448, 20046, 24672, 26728, 40092, 49344, 53456, 80184, 106912, 160368, 213824, 320736, 641472]

約数ペア:

[(1, 641472), (2, 320736), (3, 213824), (4, 160368), (6, 106912), (8, 80184), (12, 53456), (13, 49344), (16, 40092), (24, 26728), (26, 24672), (32, 20046), (39, 16448), (48, 13364), (52, 12336), (64, 10023), (78, 8224), (96, 6682), (104, 6168), (156, 4112), (192, 3341), (208, 3084), (257, 2496), (312, 2056), (416, 1542), (514, 1248), (624, 1028), (771, 832)]