17815705856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{67763}}^1$

素因数の和:67871

約数の個数: 72

約数和(自身を含む): 38782692480

約数和(自身を除く): 20966986624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 316, 416, 632, 832, 1027, 1264, 1664, 2054, 2528, 3328, 4108, 5056, 8216, 10112, 16432, 20224, 32864, 65728, 67763, 131456, 135526, 262912, 271052, 542104, 880919, 1084208, 1761838, 2168416, 3523676, 4336832, 5353277, 7047352, 8673664, 10706554, 14094704, 17347328, 21413108, 28189408, 42826216, 56378816, 69592601, 85652432, 112757632, 139185202, 171304864, 225515264, 278370404, 342609728, 556740808, 685219456, 1113481616, 1370438912, 2226963232, 4453926464, 8907852928, 17815705856]

約数ペア:

[(1, 17815705856), (2, 8907852928), (4, 4453926464), (8, 2226963232), (13, 1370438912), (16, 1113481616), (26, 685219456), (32, 556740808), (52, 342609728), (64, 278370404), (79, 225515264), (104, 171304864), (128, 139185202), (158, 112757632), (208, 85652432), (256, 69592601), (316, 56378816), (416, 42826216), (632, 28189408), (832, 21413108), (1027, 17347328), (1264, 14094704), (1664, 10706554), (2054, 8673664), (2528, 7047352), (3328, 5353277), (4108, 4336832), (5056, 3523676), (8216, 2168416), (10112, 1761838), (16432, 1084208), (20224, 880919), (32864, 542104), (65728, 271052), (67763, 262912), (131456, 135526)]