638963568

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{143137}}^1$

素因数の和:143182

約数の個数: 60

約数和(自身を含む): 1845907648

約数和(自身を除く): 1206944080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 143137, 286274, 429411, 572548, 858822, 1145096, 1288233, 1717644, 2290192, 2576466, 3435288, 4437247, 5152932, 6870576, 8874494, 10305864, 13311741, 17748988, 20611728, 26623482, 35497976, 39935223, 53246964, 70995952, 79870446, 106493928, 159740892, 212987856, 319481784, 638963568]

約数ペア:

[(1, 638963568), (2, 319481784), (3, 212987856), (4, 159740892), (6, 106493928), (8, 79870446), (9, 70995952), (12, 53246964), (16, 39935223), (18, 35497976), (24, 26623482), (31, 20611728), (36, 17748988), (48, 13311741), (62, 10305864), (72, 8874494), (93, 6870576), (124, 5152932), (144, 4437247), (186, 3435288), (248, 2576466), (279, 2290192), (372, 1717644), (496, 1288233), (558, 1145096), (744, 858822), (1116, 572548), (1488, 429411), (2232, 286274), (4464, 143137)]