71721256

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 137001600

約数和(自身を除く): 65280344

約数列:

[1, 2, 4, 8, 79, 158, 283, 316, 401, 566, 632, 802, 1132, 1604, 2264, 3208, 22357, 31679, 44714, 63358, 89428, 113483, 126716, 178856, 226966, 253432, 453932, 907864, 8965157, 17930314, 35860628, 71721256]

約数ペア:

[(1, 71721256), (2, 35860628), (4, 17930314), (8, 8965157), (79, 907864), (158, 453932), (283, 253432), (316, 226966), (401, 178856), (566, 126716), (632, 113483), (802, 89428), (1132, 63358), (1604, 44714), (2264, 31679), (3208, 22357)]