78919984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2029}}^1$

素因数の和:2078

約数の個数: 80

約数和(自身を含む): 190300320

約数和(自身を除く): 111380336

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2029, 2288, 2431, 2992, 3536, 4058, 4862, 8116, 9724, 16232, 19448, 22319, 26377, 32464, 34493, 38896, 44638, 52754, 68986, 89276, 105508, 137972, 178552, 211016, 275944, 290147, 357104, 379423, 422032, 448409, 551888, 580294, 758846, 896818, 1160588, 1517692, 1793636, 2321176, 3035384, 3587272, 4642352, 4932499, 6070768, 7174544, 9864998, 19729996, 39459992, 78919984]

約数ペア:

[(1, 78919984), (2, 39459992), (4, 19729996), (8, 9864998), (11, 7174544), (13, 6070768), (16, 4932499), (17, 4642352), (22, 3587272), (26, 3035384), (34, 2321176), (44, 1793636), (52, 1517692), (68, 1160588), (88, 896818), (104, 758846), (136, 580294), (143, 551888), (176, 448409), (187, 422032), (208, 379423), (221, 357104), (272, 290147), (286, 275944), (374, 211016), (442, 178552), (572, 137972), (748, 105508), (884, 89276), (1144, 68986), (1496, 52754), (1768, 44638), (2029, 38896), (2288, 34493), (2431, 32464), (2992, 26377), (3536, 22319), (4058, 19448), (4862, 16232), (8116, 9724)]