819794690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18493}}^1$

素因数の和:18555

約数の個数: 64

約数和(自身を含む): 1789627392

約数和(自身を除く): 969832702

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 8866, 18493, 22165, 36986, 44330, 92465, 184930, 203423, 240409, 406846, 480818, 573283, 1017115, 1146566, 1202045, 2034230, 2404090, 2644499, 2866415, 5288998, 5732830, 6306113, 7452679, 12612226, 13222495, 14905358, 26444990, 31530565, 37263395, 63061130, 74526790, 81979469, 163958938, 409897345, 819794690]

約数ペア:

[(1, 819794690), (2, 409897345), (5, 163958938), (10, 81979469), (11, 74526790), (13, 63061130), (22, 37263395), (26, 31530565), (31, 26444990), (55, 14905358), (62, 13222495), (65, 12612226), (110, 7452679), (130, 6306113), (143, 5732830), (155, 5288998), (286, 2866415), (310, 2644499), (341, 2404090), (403, 2034230), (682, 1202045), (715, 1146566), (806, 1017115), (1430, 573283), (1705, 480818), (2015, 406846), (3410, 240409), (4030, 203423), (4433, 184930), (8866, 92465), (18493, 44330), (22165, 36986)]