217813128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 401502072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 127, 138, 156, 184, 239, 254, 276, 299, 312, 381, 478, 508, 552, 598, 717, 762, 897, 956, 1016, 1196, 1434, 1524, 1651, 1794, 1912, 2392, 2868, 2921, 3048, 3107, 3302, 3588, 4953, 5497, 5736, 5842, 6214, 6604, 7176, 8763, 9321, 9906, 10994, 11684, 12428, 13208, 16491, 17526, 18642, 19812, 21988, 23368, 24856, 30353, 32982, 35052, 37284, 37973, 39624, 43976, 60706, 65964, 70104, 71461, 74568, 75946, 91059, 113919, 121412, 131928, 142922, 151892, 182118, 214383, 227838, 242824, 285844, 303784, 364236, 394589, 428766, 455676, 571688, 698119, 728472, 789178, 857532, 911352, 1183767, 1396238, 1578356, 1715064, 2094357, 2367534, 2792476, 3156712, 4188714, 4735068, 5584952, 8377428, 9075547, 9470136, 16754856, 18151094, 27226641, 36302188, 54453282, 72604376, 108906564, 217813128]

約数ペア:

[(1, 217813128), (2, 108906564), (3, 72604376), (4, 54453282), (6, 36302188), (8, 27226641), (12, 18151094), (13, 16754856), (23, 9470136), (24, 9075547), (26, 8377428), (39, 5584952), (46, 4735068), (52, 4188714), (69, 3156712), (78, 2792476), (92, 2367534), (104, 2094357), (127, 1715064), (138, 1578356), (156, 1396238), (184, 1183767), (239, 911352), (254, 857532), (276, 789178), (299, 728472), (312, 698119), (381, 571688), (478, 455676), (508, 428766), (552, 394589), (598, 364236), (717, 303784), (762, 285844), (897, 242824), (956, 227838), (1016, 214383), (1196, 182118), (1434, 151892), (1524, 142922), (1651, 131928), (1794, 121412), (1912, 113919), (2392, 91059), (2868, 75946), (2921, 74568), (3048, 71461), (3107, 70104), (3302, 65964), (3588, 60706), (4953, 43976), (5497, 39624), (5736, 37973), (5842, 37284), (6214, 35052), (6604, 32982), (7176, 30353), (8763, 24856), (9321, 23368), (9906, 21988), (10994, 19812), (11684, 18642), (12428, 17526), (13208, 16491)]