1991460848

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{4691}}^1$

素因数の和:4882

約数の個数: 60

約数和(自身を含む): 4205599128

約数和(自身を除く): 2214138280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 169, 208, 314, 338, 628, 676, 1256, 1352, 2041, 2512, 2704, 4082, 4691, 8164, 9382, 16328, 18764, 26533, 32656, 37528, 53066, 60983, 75056, 106132, 121966, 212264, 243932, 424528, 487864, 736487, 792779, 975728, 1472974, 1585558, 2945948, 3171116, 5891896, 6342232, 9574331, 11783792, 12684464, 19148662, 38297324, 76594648, 124466303, 153189296, 248932606, 497865212, 995730424, 1991460848]

約数ペア:

[(1, 1991460848), (2, 995730424), (4, 497865212), (8, 248932606), (13, 153189296), (16, 124466303), (26, 76594648), (52, 38297324), (104, 19148662), (157, 12684464), (169, 11783792), (208, 9574331), (314, 6342232), (338, 5891896), (628, 3171116), (676, 2945948), (1256, 1585558), (1352, 1472974), (2041, 975728), (2512, 792779), (2704, 736487), (4082, 487864), (4691, 424528), (8164, 243932), (9382, 212264), (16328, 121966), (18764, 106132), (26533, 75056), (32656, 60983), (37528, 53066)]