1286636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 2457840

約数和(自身を除く): 1171204

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 227, 436, 454, 908, 1417, 2834, 2951, 5668, 5902, 11804, 24743, 49486, 98972, 321659, 643318, 1286636]

約数ペア:

[(1, 1286636), (2, 643318), (4, 321659), (13, 98972), (26, 49486), (52, 24743), (109, 11804), (218, 5902), (227, 5668), (436, 2951), (454, 2834), (908, 1417)]