28951312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 60820760

約数和(自身を除く): 31869448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 181, 208, 362, 724, 769, 1448, 1538, 2353, 2896, 3076, 4706, 6152, 9412, 9997, 12304, 18824, 19994, 37648, 39988, 79976, 139189, 159952, 278378, 556756, 1113512, 1809457, 2227024, 3618914, 7237828, 14475656, 28951312]

約数ペア:

[(1, 28951312), (2, 14475656), (4, 7237828), (8, 3618914), (13, 2227024), (16, 1809457), (26, 1113512), (52, 556756), (104, 278378), (181, 159952), (208, 139189), (362, 79976), (724, 39988), (769, 37648), (1448, 19994), (1538, 18824), (2353, 12304), (2896, 9997), (3076, 9412), (4706, 6152)]