493217998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 1021870080

約数和(自身を除く): 528652082

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 43, 62, 86, 91, 107, 133, 182, 214, 217, 247, 266, 301, 403, 434, 494, 559, 589, 602, 749, 806, 817, 1118, 1178, 1333, 1391, 1498, 1634, 1729, 2033, 2666, 2782, 2821, 3317, 3458, 3913, 4066, 4123, 4601, 5642, 5719, 6634, 7657, 7826, 8246, 9202, 9331, 9737, 10621, 11438, 14231, 15314, 17329, 18662, 19474, 21242, 23219, 25327, 26429, 28462, 32207, 34658, 43121, 46438, 50654, 52858, 53599, 59813, 63023, 64414, 74347, 86242, 87419, 107198, 119626, 121303, 126046, 142631, 148694, 174838, 177289, 185003, 242606, 285262, 301847, 329251, 354578, 370006, 418691, 441161, 603694, 611933, 658502, 819299, 837382, 882322, 998417, 1136447, 1223866, 1638598, 1854203, 1996834, 2272894, 2304757, 2709989, 3708406, 4609514, 5419978, 5735093, 7955129, 11470186, 12979421, 15910258, 18969923, 25958842, 35229857, 37939846, 70459714, 246608999, 493217998]

約数ペア:

[(1, 493217998), (2, 246608999), (7, 70459714), (13, 37939846), (14, 35229857), (19, 25958842), (26, 18969923), (31, 15910258), (38, 12979421), (43, 11470186), (62, 7955129), (86, 5735093), (91, 5419978), (107, 4609514), (133, 3708406), (182, 2709989), (214, 2304757), (217, 2272894), (247, 1996834), (266, 1854203), (301, 1638598), (403, 1223866), (434, 1136447), (494, 998417), (559, 882322), (589, 837382), (602, 819299), (749, 658502), (806, 611933), (817, 603694), (1118, 441161), (1178, 418691), (1333, 370006), (1391, 354578), (1498, 329251), (1634, 301847), (1729, 285262), (2033, 242606), (2666, 185003), (2782, 177289), (2821, 174838), (3317, 148694), (3458, 142631), (3913, 126046), (4066, 121303), (4123, 119626), (4601, 107198), (5642, 87419), (5719, 86242), (6634, 74347), (7657, 64414), (7826, 63023), (8246, 59813), (9202, 53599), (9331, 52858), (9737, 50654), (10621, 46438), (11438, 43121), (14231, 34658), (15314, 32207), (17329, 28462), (18662, 26429), (19474, 25327), (21242, 23219)]