639345408

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{64037}}^1$

素因数の和:64069

約数の個数: 72

約数和(自身を含む): 1832511408

約数和(自身を除く): 1193166000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 64037, 128074, 192111, 256148, 384222, 512296, 768444, 832481, 1024592, 1536888, 1664962, 2049184, 2497443, 3073776, 3329924, 4098368, 4994886, 6147552, 6659848, 8196736, 9989772, 12295104, 13319696, 16393472, 19979544, 24590208, 26639392, 39959088, 49180416, 53278784, 79918176, 106557568, 159836352, 213115136, 319672704, 639345408]

約数ペア:

[(1, 639345408), (2, 319672704), (3, 213115136), (4, 159836352), (6, 106557568), (8, 79918176), (12, 53278784), (13, 49180416), (16, 39959088), (24, 26639392), (26, 24590208), (32, 19979544), (39, 16393472), (48, 13319696), (52, 12295104), (64, 9989772), (78, 8196736), (96, 6659848), (104, 6147552), (128, 4994886), (156, 4098368), (192, 3329924), (208, 3073776), (256, 2497443), (312, 2049184), (384, 1664962), (416, 1536888), (624, 1024592), (768, 832481), (832, 768444), (1248, 512296), (1664, 384222), (2496, 256148), (3328, 192111), (4992, 128074), (9984, 64037)]