128036416

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{19423}}^1$

素因数の和:19538

約数の個数: 28

約数和(自身を含む): 256552192

約数和(自身を除く): 128515776

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 206, 412, 824, 1648, 3296, 6592, 19423, 38846, 77692, 155384, 310768, 621536, 1243072, 2000569, 4001138, 8002276, 16004552, 32009104, 64018208, 128036416]

約数ペア:

[(1, 128036416), (2, 64018208), (4, 32009104), (8, 16004552), (16, 8002276), (32, 4001138), (64, 2000569), (103, 1243072), (206, 621536), (412, 310768), (824, 155384), (1648, 77692), (3296, 38846), (6592, 19423)]