399071744

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{41023}}^1$

素因数の和:41060

約数の個数: 40

約数和(自身を含む): 839351040

約数和(自身を除く): 440279296

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 41023, 82046, 164092, 328184, 656368, 779437, 1312736, 1558874, 2625472, 3117748, 5250944, 6235496, 10501888, 12470992, 21003776, 24941984, 49883968, 99767936, 199535872, 399071744]

約数ペア:

[(1, 399071744), (2, 199535872), (4, 99767936), (8, 49883968), (16, 24941984), (19, 21003776), (32, 12470992), (38, 10501888), (64, 6235496), (76, 5250944), (128, 3117748), (152, 2625472), (256, 1558874), (304, 1312736), (512, 779437), (608, 656368), (1216, 328184), (2432, 164092), (4864, 82046), (9728, 41023)]