393505216

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{472963}}^1$

素因数の和:472988

約数の個数: 28

約数和(自身を含む): 840929992

約数和(自身を除く): 447424776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 472963, 945926, 1891852, 3783704, 6148519, 7567408, 12297038, 15134816, 24594076, 30269632, 49188152, 98376304, 196752608, 393505216]

約数ペア:

[(1, 393505216), (2, 196752608), (4, 98376304), (8, 49188152), (13, 30269632), (16, 24594076), (26, 15134816), (32, 12297038), (52, 7567408), (64, 6148519), (104, 3783704), (208, 1891852), (416, 945926), (832, 472963)]