8489390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 19837440

約数和(自身を除く): 11348050

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 491, 494, 665, 910, 982, 1235, 1330, 1729, 2455, 2470, 3437, 3458, 4910, 6383, 6874, 8645, 9329, 12766, 17185, 17290, 18658, 31915, 34370, 44681, 46645, 63830, 65303, 89362, 93290, 121277, 130606, 223405, 242554, 326515, 446810, 606385, 653030, 848939, 1212770, 1697878, 4244695, 8489390]

約数ペア:

[(1, 8489390), (2, 4244695), (5, 1697878), (7, 1212770), (10, 848939), (13, 653030), (14, 606385), (19, 446810), (26, 326515), (35, 242554), (38, 223405), (65, 130606), (70, 121277), (91, 93290), (95, 89362), (130, 65303), (133, 63830), (182, 46645), (190, 44681), (247, 34370), (266, 31915), (455, 18658), (491, 17290), (494, 17185), (665, 12766), (910, 9329), (982, 8645), (1235, 6874), (1330, 6383), (1729, 4910), (2455, 3458), (2470, 3437)]