820955714

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1\times {\mathrm{2309}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 1237836600

約数和(自身を除く): 416880886

約数列:

[1, 2, 389, 457, 778, 914, 2309, 4618, 177773, 355546, 898201, 1055213, 1796402, 2110426, 410477857, 820955714]

約数ペア:

[(1, 820955714), (2, 410477857), (389, 2110426), (457, 1796402), (778, 1055213), (914, 898201), (2309, 355546), (4618, 177773)]