667035430

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 1209569760

約数和(自身を除く): 542534330

約数列:

[1, 2, 5, 10, 397, 401, 419, 794, 802, 838, 1985, 2005, 2095, 3970, 4010, 4190, 159197, 166343, 168019, 318394, 332686, 336038, 795985, 831715, 840095, 1591970, 1663430, 1680190, 66703543, 133407086, 333517715, 667035430]

約数ペア:

[(1, 667035430), (2, 333517715), (5, 133407086), (10, 66703543), (397, 1680190), (401, 1663430), (419, 1591970), (794, 840095), (802, 831715), (838, 795985), (1985, 336038), (2005, 332686), (2095, 318394), (3970, 168019), (4010, 166343), (4190, 159197)]