7943728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 16745456

約数和(自身を除く): 8801728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 211, 362, 422, 724, 844, 1448, 1688, 2353, 2743, 2896, 3376, 4706, 5486, 9412, 10972, 18824, 21944, 37648, 38191, 43888, 76382, 152764, 305528, 496483, 611056, 992966, 1985932, 3971864, 7943728]

約数ペア:

[(1, 7943728), (2, 3971864), (4, 1985932), (8, 992966), (13, 611056), (16, 496483), (26, 305528), (52, 152764), (104, 76382), (181, 43888), (208, 38191), (211, 37648), (362, 21944), (422, 18824), (724, 10972), (844, 9412), (1448, 5486), (1688, 4706), (2353, 3376), (2743, 2896)]