81717792

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65479}}^1$

素因数の和:65505

約数の個数: 48

約数和(自身を含む): 231013440

約数和(自身を除く): 149295648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65479, 130958, 196437, 261916, 392874, 523832, 785748, 851227, 1047664, 1571496, 1702454, 2095328, 2553681, 3142992, 3404908, 5107362, 6285984, 6809816, 10214724, 13619632, 20429448, 27239264, 40858896, 81717792]

約数ペア:

[(1, 81717792), (2, 40858896), (3, 27239264), (4, 20429448), (6, 13619632), (8, 10214724), (12, 6809816), (13, 6285984), (16, 5107362), (24, 3404908), (26, 3142992), (32, 2553681), (39, 2095328), (48, 1702454), (52, 1571496), (78, 1047664), (96, 851227), (104, 785748), (156, 523832), (208, 392874), (312, 261916), (416, 196437), (624, 130958), (1248, 65479)]