391709448

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{418493}}^1$

素因数の和:418518

約数の個数: 48

約数和(自身を含む): 1142488620

約数和(自身を除く): 750779172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 418493, 836986, 1255479, 1673972, 2510958, 3347944, 3766437, 5021916, 5440409, 7532874, 10043832, 10880818, 15065748, 16321227, 21761636, 30131496, 32642454, 43523272, 48963681, 65284908, 97927362, 130569816, 195854724, 391709448]

約数ペア:

[(1, 391709448), (2, 195854724), (3, 130569816), (4, 97927362), (6, 65284908), (8, 48963681), (9, 43523272), (12, 32642454), (13, 30131496), (18, 21761636), (24, 16321227), (26, 15065748), (36, 10880818), (39, 10043832), (52, 7532874), (72, 5440409), (78, 5021916), (104, 3766437), (117, 3347944), (156, 2510958), (234, 1673972), (312, 1255479), (468, 836986), (936, 418493)]