49999755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 90478080

約数和(自身を除く): 40478325

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 67, 89, 129, 195, 201, 215, 267, 335, 445, 559, 645, 871, 1005, 1157, 1335, 1677, 2613, 2795, 2881, 3471, 3827, 4355, 5785, 5963, 8385, 8643, 11481, 13065, 14405, 17355, 17889, 19135, 29815, 37453, 43215, 49751, 57405, 77519, 89445, 112359, 149253, 187265, 232557, 248755, 256409, 387595, 561795, 746265, 769227, 1162785, 1282045, 3333317, 3846135, 9999951, 16666585, 49999755]

約数ペア:

[(1, 49999755), (3, 16666585), (5, 9999951), (13, 3846135), (15, 3333317), (39, 1282045), (43, 1162785), (65, 769227), (67, 746265), (89, 561795), (129, 387595), (195, 256409), (201, 248755), (215, 232557), (267, 187265), (335, 149253), (445, 112359), (559, 89445), (645, 77519), (871, 57405), (1005, 49751), (1157, 43215), (1335, 37453), (1677, 29815), (2613, 19135), (2795, 17889), (2881, 17355), (3471, 14405), (3827, 13065), (4355, 11481), (5785, 8643), (5963, 8385)]