31506332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 68866560

約数和(自身を除く): 37360228

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 169, 209, 223, 247, 286, 338, 418, 446, 494, 572, 676, 836, 892, 988, 1859, 2453, 2717, 2899, 3211, 3718, 4237, 4906, 5434, 5798, 6422, 7436, 8474, 9812, 10868, 11596, 12844, 16948, 31889, 35321, 37687, 46607, 55081, 63778, 70642, 75374, 93214, 110162, 127556, 141284, 150748, 186428, 220324, 414557, 605891, 716053, 829114, 1211782, 1432106, 1658228, 2423564, 2864212, 7876583, 15753166, 31506332]

約数ペア:

[(1, 31506332), (2, 15753166), (4, 7876583), (11, 2864212), (13, 2423564), (19, 1658228), (22, 1432106), (26, 1211782), (38, 829114), (44, 716053), (52, 605891), (76, 414557), (143, 220324), (169, 186428), (209, 150748), (223, 141284), (247, 127556), (286, 110162), (338, 93214), (418, 75374), (446, 70642), (494, 63778), (572, 55081), (676, 46607), (836, 37687), (892, 35321), (988, 31889), (1859, 16948), (2453, 12844), (2717, 11596), (2899, 10868), (3211, 9812), (3718, 8474), (4237, 7436), (4906, 6422), (5434, 5798)]