816398466

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{21317}}^1$

素因数の和:21826

約数の個数: 32

約数和(自身を含む): 1762060608

約数和(自身を除く): 945662142

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 982, 1473, 2946, 6383, 12766, 19149, 21317, 38298, 42634, 63951, 127902, 277121, 554242, 831363, 1662726, 10466647, 20933294, 31399941, 62799882, 136066411, 272132822, 408199233, 816398466]

約数ペア:

[(1, 816398466), (2, 408199233), (3, 272132822), (6, 136066411), (13, 62799882), (26, 31399941), (39, 20933294), (78, 10466647), (491, 1662726), (982, 831363), (1473, 554242), (2946, 277121), (6383, 127902), (12766, 63951), (19149, 42634), (21317, 38298)]