128819072

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{4513}}^1$

素因数の和:4750

約数の個数: 32

約数和(自身を含む): 257839680

約数和(自身を除く): 129020608

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 446, 892, 1784, 3568, 4513, 7136, 9026, 14272, 18052, 28544, 36104, 72208, 144416, 288832, 577664, 1006399, 2012798, 4025596, 8051192, 16102384, 32204768, 64409536, 128819072]

約数ペア:

[(1, 128819072), (2, 64409536), (4, 32204768), (8, 16102384), (16, 8051192), (32, 4025596), (64, 2012798), (128, 1006399), (223, 577664), (446, 288832), (892, 144416), (1784, 72208), (3568, 36104), (4513, 28544), (7136, 18052), (9026, 14272)]