4002128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 8499456

約数和(自身を除く): 4497328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 271, 284, 542, 568, 923, 1084, 1136, 1846, 2168, 3523, 3692, 4336, 7046, 7384, 14092, 14768, 19241, 28184, 38482, 56368, 76964, 153928, 250133, 307856, 500266, 1000532, 2001064, 4002128]

約数ペア:

[(1, 4002128), (2, 2001064), (4, 1000532), (8, 500266), (13, 307856), (16, 250133), (26, 153928), (52, 76964), (71, 56368), (104, 38482), (142, 28184), (208, 19241), (271, 14768), (284, 14092), (542, 7384), (568, 7046), (923, 4336), (1084, 3692), (1136, 3523), (1846, 2168)]