391690908

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{31721}}^1$

素因数の和:31752

約数の個数: 72

約数和(自身を含む): 1154680800

約数和(自身を除く): 762989892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 12348, 31721, 63442, 95163, 126884, 190326, 222047, 285489, 380652, 444094, 570978, 666141, 888188, 1141956, 1332282, 1554329, 1998423, 2664564, 3108658, 3996846, 4662987, 6217316, 7993692, 9325974, 10880303, 13988961, 18651948, 21760606, 27977922, 32640909, 43521212, 55955844, 65281818, 97922727, 130563636, 195845454, 391690908]

約数ペア:

[(1, 391690908), (2, 195845454), (3, 130563636), (4, 97922727), (6, 65281818), (7, 55955844), (9, 43521212), (12, 32640909), (14, 27977922), (18, 21760606), (21, 18651948), (28, 13988961), (36, 10880303), (42, 9325974), (49, 7993692), (63, 6217316), (84, 4662987), (98, 3996846), (126, 3108658), (147, 2664564), (196, 1998423), (252, 1554329), (294, 1332282), (343, 1141956), (441, 888188), (588, 666141), (686, 570978), (882, 444094), (1029, 380652), (1372, 285489), (1764, 222047), (2058, 190326), (3087, 126884), (4116, 95163), (6174, 63442), (12348, 31721)]