221532016

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 438253200

約数和(自身を除く): 216721184

約数列:

[1, 2, 4, 8, 16, 67, 134, 197, 268, 394, 536, 788, 1049, 1072, 1576, 2098, 3152, 4196, 8392, 13199, 16784, 26398, 52796, 70283, 105592, 140566, 206653, 211184, 281132, 413306, 562264, 826612, 1124528, 1653224, 3306448, 13845751, 27691502, 55383004, 110766008, 221532016]

約数ペア:

[(1, 221532016), (2, 110766008), (4, 55383004), (8, 27691502), (16, 13845751), (67, 3306448), (134, 1653224), (197, 1124528), (268, 826612), (394, 562264), (536, 413306), (788, 281132), (1049, 211184), (1072, 206653), (1576, 140566), (2098, 105592), (3152, 70283), (4196, 52796), (8392, 26398), (13199, 16784)]