65659984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 84330416

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 599, 806, 884, 1054, 1198, 1612, 1768, 2108, 2396, 3224, 3536, 4216, 4792, 6448, 6851, 7787, 8432, 9584, 10183, 13702, 15574, 18569, 20366, 27404, 31148, 37138, 40732, 54808, 62296, 74276, 81464, 109616, 124592, 132379, 148552, 162928, 241397, 264758, 297104, 315673, 482794, 529516, 631346, 965588, 1059032, 1262692, 1931176, 2118064, 2525384, 3862352, 4103749, 5050768, 8207498, 16414996, 32829992, 65659984]

約数ペア:

[(1, 65659984), (2, 32829992), (4, 16414996), (8, 8207498), (13, 5050768), (16, 4103749), (17, 3862352), (26, 2525384), (31, 2118064), (34, 1931176), (52, 1262692), (62, 1059032), (68, 965588), (104, 631346), (124, 529516), (136, 482794), (208, 315673), (221, 297104), (248, 264758), (272, 241397), (403, 162928), (442, 148552), (496, 132379), (527, 124592), (599, 109616), (806, 81464), (884, 74276), (1054, 62296), (1198, 54808), (1612, 40732), (1768, 37138), (2108, 31148), (2396, 27404), (3224, 20366), (3536, 18569), (4216, 15574), (4792, 13702), (6448, 10183), (6851, 9584), (7787, 8432)]