4245605

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 6741504

約数和(自身を除く): 2495899

約数列:

[1, 5, 7, 13, 31, 35, 43, 49, 65, 91, 155, 215, 217, 245, 301, 403, 455, 559, 637, 1085, 1333, 1505, 1519, 2015, 2107, 2795, 2821, 3185, 3913, 6665, 7595, 9331, 10535, 14105, 17329, 19565, 19747, 27391, 46655, 65317, 86645, 98735, 121303, 136955, 326585, 606515, 849121, 4245605]

約数ペア:

[(1, 4245605), (5, 849121), (7, 606515), (13, 326585), (31, 136955), (35, 121303), (43, 98735), (49, 86645), (65, 65317), (91, 46655), (155, 27391), (215, 19747), (217, 19565), (245, 17329), (301, 14105), (403, 10535), (455, 9331), (559, 7595), (637, 6665), (1085, 3913), (1333, 3185), (1505, 2821), (1519, 2795), (2015, 2107)]