2648651005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 4518936576

約数和(自身を除く): 1870285571

約数列:

[1, 5, 7, 11, 13, 31, 35, 43, 55, 65, 77, 91, 143, 155, 215, 217, 301, 341, 385, 397, 403, 455, 473, 559, 715, 1001, 1085, 1333, 1505, 1705, 1985, 2015, 2365, 2387, 2779, 2795, 2821, 3311, 3913, 4367, 4433, 5005, 5161, 6149, 6665, 9331, 11935, 12307, 13895, 14105, 14663, 16555, 17071, 17329, 19565, 21835, 22165, 25805, 30569, 30745, 31031, 36127, 43043, 46655, 56771, 61535, 73315, 85355, 86149, 86645, 102641, 119497, 121303, 135377, 152845, 155155, 159991, 180635, 187781, 190619, 215215, 221923, 283855, 397397, 430745, 513205, 529201, 597485, 606515, 676885, 799955, 938905, 947639, 953095, 1109615, 1119937, 1314467, 1334333, 1553461, 1759901, 1986985, 2441153, 2646005, 3704407, 4738195, 5599685, 5821211, 6572335, 6671665, 6879613, 7767305, 8799505, 12205765, 12319307, 17088071, 18522035, 29106055, 34398065, 40748477, 48157291, 61596535, 75675743, 85440355, 203742385, 240786455, 378378715, 529730201, 2648651005]

約数ペア:

[(1, 2648651005), (5, 529730201), (7, 378378715), (11, 240786455), (13, 203742385), (31, 85440355), (35, 75675743), (43, 61596535), (55, 48157291), (65, 40748477), (77, 34398065), (91, 29106055), (143, 18522035), (155, 17088071), (215, 12319307), (217, 12205765), (301, 8799505), (341, 7767305), (385, 6879613), (397, 6671665), (403, 6572335), (455, 5821211), (473, 5599685), (559, 4738195), (715, 3704407), (1001, 2646005), (1085, 2441153), (1333, 1986985), (1505, 1759901), (1705, 1553461), (1985, 1334333), (2015, 1314467), (2365, 1119937), (2387, 1109615), (2779, 953095), (2795, 947639), (2821, 938905), (3311, 799955), (3913, 676885), (4367, 606515), (4433, 597485), (5005, 529201), (5161, 513205), (6149, 430745), (6665, 397397), (9331, 283855), (11935, 221923), (12307, 215215), (13895, 190619), (14105, 187781), (14663, 180635), (16555, 159991), (17071, 155155), (17329, 152845), (19565, 135377), (21835, 121303), (22165, 119497), (25805, 102641), (30569, 86645), (30745, 86149), (31031, 85355), (36127, 73315), (43043, 61535), (46655, 56771)]