81124784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4937}}^1$

素因数の和:5037

約数の個数: 40

約数和(自身を含む): 171447360

約数和(自身を除く): 90322576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 4937, 8216, 9874, 16432, 19748, 39496, 64181, 78992, 128362, 256724, 390023, 513448, 780046, 1026896, 1560092, 3120184, 5070299, 6240368, 10140598, 20281196, 40562392, 81124784]

約数ペア:

[(1, 81124784), (2, 40562392), (4, 20281196), (8, 10140598), (13, 6240368), (16, 5070299), (26, 3120184), (52, 1560092), (79, 1026896), (104, 780046), (158, 513448), (208, 390023), (316, 256724), (632, 128362), (1027, 78992), (1264, 64181), (2054, 39496), (4108, 19748), (4937, 16432), (8216, 9874)]