312957424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{20611}}^1$

素因数の和:20705

約数の個数: 40

約数和(自身を含む): 661974992

約数和(自身を除く): 349017568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 7592, 15184, 20611, 41222, 82444, 164888, 267943, 329776, 535886, 1071772, 1504603, 2143544, 3009206, 4287088, 6018412, 12036824, 19559839, 24073648, 39119678, 78239356, 156478712, 312957424]

約数ペア:

[(1, 312957424), (2, 156478712), (4, 78239356), (8, 39119678), (13, 24073648), (16, 19559839), (26, 12036824), (52, 6018412), (73, 4287088), (104, 3009206), (146, 2143544), (208, 1504603), (292, 1071772), (584, 535886), (949, 329776), (1168, 267943), (1898, 164888), (3796, 82444), (7592, 41222), (15184, 20611)]