405184

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 28

約数和(自身を含む): 867664

約数和(自身を除く): 462480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 487, 832, 974, 1948, 3896, 6331, 7792, 12662, 15584, 25324, 31168, 50648, 101296, 202592, 405184]

約数ペア:

[(1, 405184), (2, 202592), (4, 101296), (8, 50648), (13, 31168), (16, 25324), (26, 15584), (32, 12662), (52, 7792), (64, 6331), (104, 3896), (208, 1948), (416, 974), (487, 832)]