129313648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260713}}^1$

素因数の和:260752

約数の個数: 20

約数和(自身を含む): 258628288

約数和(自身を除く): 129314640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260713, 521426, 1042852, 2085704, 4171408, 8082103, 16164206, 32328412, 64656824, 129313648]

約数ペア:

[(1, 129313648), (2, 64656824), (4, 32328412), (8, 16164206), (16, 8082103), (31, 4171408), (62, 2085704), (124, 1042852), (248, 521426), (496, 260713)]