220128064

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{264577}}^1$

素因数の和:264602

約数の個数: 28

約数和(自身を含む): 470419684

約数和(自身を除く): 250291620

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 264577, 529154, 1058308, 2116616, 3439501, 4233232, 6879002, 8466464, 13758004, 16932928, 27516008, 55032016, 110064032, 220128064]

約数ペア:

[(1, 220128064), (2, 110064032), (4, 55032016), (8, 27516008), (13, 16932928), (16, 13758004), (26, 8466464), (32, 6879002), (52, 4233232), (64, 3439501), (104, 2116616), (208, 1058308), (416, 529154), (832, 264577)]