31719896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 67525920

約数和(自身を除く): 35806024

約数列:

[1, 2, 4, 8, 13, 26, 41, 43, 52, 82, 86, 104, 164, 172, 173, 328, 344, 346, 533, 559, 692, 1066, 1118, 1384, 1763, 2132, 2236, 2249, 3526, 4264, 4472, 4498, 7052, 7093, 7439, 8996, 14104, 14186, 14878, 17992, 22919, 28372, 29756, 45838, 56744, 59512, 91676, 92209, 96707, 183352, 184418, 193414, 304999, 368836, 386828, 609998, 737672, 773656, 1219996, 2439992, 3964987, 7929974, 15859948, 31719896]

約数ペア:

[(1, 31719896), (2, 15859948), (4, 7929974), (8, 3964987), (13, 2439992), (26, 1219996), (41, 773656), (43, 737672), (52, 609998), (82, 386828), (86, 368836), (104, 304999), (164, 193414), (172, 184418), (173, 183352), (328, 96707), (344, 92209), (346, 91676), (533, 59512), (559, 56744), (692, 45838), (1066, 29756), (1118, 28372), (1384, 22919), (1763, 17992), (2132, 14878), (2236, 14186), (2249, 14104), (3526, 8996), (4264, 7439), (4472, 7093), (4498, 7052)]