81648008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{46181}}^1$

素因数の和:46217

約数の個数: 32

約数和(自身を含む): 174567960

約数和(自身を除く): 92919952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 46181, 92362, 184724, 369448, 600353, 785077, 1200706, 1570154, 2401412, 3140308, 4802824, 6280616, 10206001, 20412002, 40824004, 81648008]

約数ペア:

[(1, 81648008), (2, 40824004), (4, 20412002), (8, 10206001), (13, 6280616), (17, 4802824), (26, 3140308), (34, 2401412), (52, 1570154), (68, 1200706), (104, 785077), (136, 600353), (221, 369448), (442, 184724), (884, 92362), (1768, 46181)]