222019915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 311931648

約数和(自身を除く): 89911733

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 223, 265, 289, 689, 901, 1105, 1115, 1445, 2899, 3445, 3757, 3791, 4505, 11713, 11819, 14495, 15317, 18785, 18955, 49283, 58565, 59095, 64447, 76585, 153647, 199121, 200923, 246415, 322235, 768235, 837811, 995605, 1004615, 2611999, 3415691, 4189055, 13059995, 17078455, 44403983, 222019915]

約数ペア:

[(1, 222019915), (5, 44403983), (13, 17078455), (17, 13059995), (53, 4189055), (65, 3415691), (85, 2611999), (221, 1004615), (223, 995605), (265, 837811), (289, 768235), (689, 322235), (901, 246415), (1105, 200923), (1115, 199121), (1445, 153647), (2899, 76585), (3445, 64447), (3757, 59095), (3791, 58565), (4505, 49283), (11713, 18955), (11819, 18785), (14495, 15317)]