381899726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{719}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 638668800

約数和(自身を除く): 256769074

約数列:

[1, 2, 13, 26, 31, 62, 403, 659, 719, 806, 1318, 1438, 8567, 9347, 17134, 18694, 20429, 22289, 40858, 44578, 265577, 289757, 473821, 531154, 579514, 947642, 6159673, 12319346, 14688451, 29376902, 190949863, 381899726]

約数ペア:

[(1, 381899726), (2, 190949863), (13, 29376902), (26, 14688451), (31, 12319346), (62, 6159673), (403, 947642), (659, 579514), (719, 531154), (806, 473821), (1318, 289757), (1438, 265577), (8567, 44578), (9347, 40858), (17134, 22289), (18694, 20429)]