81562832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1575

約数の個数: 40

約数和(自身を含む): 170858856

約数和(自身を除く): 89296024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317, 634, 1237, 1268, 2474, 2536, 4121, 4948, 5072, 8242, 9896, 16081, 16484, 19792, 32162, 32968, 64324, 65936, 128648, 257296, 392129, 784258, 1568516, 3137032, 5097677, 6274064, 10195354, 20390708, 40781416, 81562832]

約数ペア:

[(1, 81562832), (2, 40781416), (4, 20390708), (8, 10195354), (13, 6274064), (16, 5097677), (26, 3137032), (52, 1568516), (104, 784258), (208, 392129), (317, 257296), (634, 128648), (1237, 65936), (1268, 64324), (2474, 32968), (2536, 32162), (4121, 19792), (4948, 16484), (5072, 16081), (8242, 9896)]