818684672

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 108

約数和(自身を含む): 1795449600

約数和(自身を除く): 976764928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 149, 169, 208, 254, 256, 298, 338, 416, 508, 596, 676, 832, 1016, 1192, 1352, 1651, 1664, 1937, 2032, 2384, 2704, 3302, 3328, 3874, 4064, 4768, 5408, 6604, 7748, 8128, 9536, 10816, 13208, 15496, 16256, 18923, 19072, 21463, 21632, 25181, 26416, 30992, 32512, 37846, 38144, 42926, 43264, 50362, 52832, 61984, 75692, 85852, 100724, 105664, 123968, 151384, 171704, 201448, 211328, 245999, 247936, 302768, 343408, 402896, 422656, 491998, 495872, 605536, 686816, 805792, 983996, 1211072, 1373632, 1611584, 1967992, 2422144, 2747264, 3197987, 3223168, 3935984, 4844288, 5494528, 6395974, 6446336, 7871968, 12791948, 15743936, 25583896, 31487872, 51167792, 62975744, 102335584, 204671168, 409342336, 818684672]

約数ペア:

[(1, 818684672), (2, 409342336), (4, 204671168), (8, 102335584), (13, 62975744), (16, 51167792), (26, 31487872), (32, 25583896), (52, 15743936), (64, 12791948), (104, 7871968), (127, 6446336), (128, 6395974), (149, 5494528), (169, 4844288), (208, 3935984), (254, 3223168), (256, 3197987), (298, 2747264), (338, 2422144), (416, 1967992), (508, 1611584), (596, 1373632), (676, 1211072), (832, 983996), (1016, 805792), (1192, 686816), (1352, 605536), (1651, 495872), (1664, 491998), (1937, 422656), (2032, 402896), (2384, 343408), (2704, 302768), (3302, 247936), (3328, 245999), (3874, 211328), (4064, 201448), (4768, 171704), (5408, 151384), (6604, 123968), (7748, 105664), (8128, 100724), (9536, 85852), (10816, 75692), (13208, 61984), (15496, 52832), (16256, 50362), (18923, 43264), (19072, 42926), (21463, 38144), (21632, 37846), (25181, 32512), (26416, 30992)]