81211936

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{15017}}^1$

素因数の和:15053

約数の個数: 36

約数和(自身を含む): 173142522

約数和(自身を除く): 91930586

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 15017, 30034, 60068, 120136, 195221, 240272, 390442, 480544, 780884, 1561768, 2537873, 3123536, 5075746, 6247072, 10151492, 20302984, 40605968, 81211936]

約数ペア:

[(1, 81211936), (2, 40605968), (4, 20302984), (8, 10151492), (13, 6247072), (16, 5075746), (26, 3123536), (32, 2537873), (52, 1561768), (104, 780884), (169, 480544), (208, 390442), (338, 240272), (416, 195221), (676, 120136), (1352, 60068), (2704, 30034), (5408, 15017)]