1257748990

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{564013}}^1$

素因数の和:564243

約数の個数: 16

約数和(自身を含む): 2274104448

約数和(自身を除く): 1016355458

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 564013, 1128026, 2820065, 5640130, 125774899, 251549798, 628874495, 1257748990]

約数ペア:

[(1, 1257748990), (2, 628874495), (5, 251549798), (10, 125774899), (223, 5640130), (446, 2820065), (1115, 1128026), (2230, 564013)]