42811015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 61272288

約数和(自身を除く): 18461273

約数列:

[1, 5, 13, 17, 43, 53, 65, 85, 215, 221, 265, 289, 559, 689, 731, 901, 1105, 1445, 2279, 2795, 3445, 3655, 3757, 4505, 9503, 11395, 11713, 12427, 15317, 18785, 29627, 38743, 47515, 58565, 62135, 76585, 148135, 161551, 193715, 199121, 503659, 658631, 807755, 995605, 2518295, 3293155, 8562203, 42811015]

約数ペア:

[(1, 42811015), (5, 8562203), (13, 3293155), (17, 2518295), (43, 995605), (53, 807755), (65, 658631), (85, 503659), (215, 199121), (221, 193715), (265, 161551), (289, 148135), (559, 76585), (689, 62135), (731, 58565), (901, 47515), (1105, 38743), (1445, 29627), (2279, 18785), (2795, 15317), (3445, 12427), (3655, 11713), (3757, 11395), (4505, 9503)]