399681408

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{148691}}^1$

素因数の和:148715

約数の個数: 64

約数和(自身を含む): 1213326720

約数和(自身を除く): 813645312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 148691, 297382, 446073, 594764, 892146, 1040837, 1189528, 1784292, 2081674, 2379056, 3122511, 3568584, 4163348, 4758112, 6245022, 7137168, 8326696, 9516224, 12490044, 14274336, 16653392, 19032448, 24980088, 28548672, 33306784, 49960176, 57097344, 66613568, 99920352, 133227136, 199840704, 399681408]

約数ペア:

[(1, 399681408), (2, 199840704), (3, 133227136), (4, 99920352), (6, 66613568), (7, 57097344), (8, 49960176), (12, 33306784), (14, 28548672), (16, 24980088), (21, 19032448), (24, 16653392), (28, 14274336), (32, 12490044), (42, 9516224), (48, 8326696), (56, 7137168), (64, 6245022), (84, 4758112), (96, 4163348), (112, 3568584), (128, 3122511), (168, 2379056), (192, 2081674), (224, 1784292), (336, 1189528), (384, 1040837), (448, 892146), (672, 594764), (896, 446073), (1344, 297382), (2688, 148691)]