647983638

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6855

約数の個数: 80

約数和(自身を含む): 1577917440

約数和(自身を除く): 929933802

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 81, 93, 114, 162, 171, 186, 279, 342, 513, 558, 589, 837, 1026, 1178, 1539, 1674, 1767, 2511, 3078, 3534, 5022, 5301, 6791, 10602, 13582, 15903, 20373, 31806, 40746, 47709, 61119, 95418, 122238, 129029, 183357, 210521, 258058, 366714, 387087, 421042, 550071, 631563, 774174, 1100142, 1161261, 1263126, 1894689, 2322522, 3483783, 3789378, 3999899, 5684067, 6967566, 7999798, 10451349, 11368134, 11999697, 17052201, 20902698, 23999394, 34104402, 35999091, 71998182, 107997273, 215994546, 323991819, 647983638]

約数ペア:

[(1, 647983638), (2, 323991819), (3, 215994546), (6, 107997273), (9, 71998182), (18, 35999091), (19, 34104402), (27, 23999394), (31, 20902698), (38, 17052201), (54, 11999697), (57, 11368134), (62, 10451349), (81, 7999798), (93, 6967566), (114, 5684067), (162, 3999899), (171, 3789378), (186, 3483783), (279, 2322522), (342, 1894689), (513, 1263126), (558, 1161261), (589, 1100142), (837, 774174), (1026, 631563), (1178, 550071), (1539, 421042), (1674, 387087), (1767, 366714), (2511, 258058), (3078, 210521), (3534, 183357), (5022, 129029), (5301, 122238), (6791, 95418), (10602, 61119), (13582, 47709), (15903, 40746), (20373, 31806)]