318597136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 80

約数和(自身を含む): 767950848

約数和(自身を除く): 449353712

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2288, 2431, 2992, 3536, 4862, 8191, 9724, 16382, 19448, 32764, 38896, 65528, 90101, 106483, 131056, 139247, 180202, 212966, 278494, 360404, 425932, 556988, 720808, 851864, 1113976, 1171313, 1441616, 1531717, 1703728, 1810211, 2227952, 2342626, 3063434, 3620422, 4685252, 6126868, 7240844, 9370504, 12253736, 14481688, 18741008, 19912321, 24507472, 28963376, 39824642, 79649284, 159298568, 318597136]

約数ペア:

[(1, 318597136), (2, 159298568), (4, 79649284), (8, 39824642), (11, 28963376), (13, 24507472), (16, 19912321), (17, 18741008), (22, 14481688), (26, 12253736), (34, 9370504), (44, 7240844), (52, 6126868), (68, 4685252), (88, 3620422), (104, 3063434), (136, 2342626), (143, 2227952), (176, 1810211), (187, 1703728), (208, 1531717), (221, 1441616), (272, 1171313), (286, 1113976), (374, 851864), (442, 720808), (572, 556988), (748, 425932), (884, 360404), (1144, 278494), (1496, 212966), (1768, 180202), (2288, 139247), (2431, 131056), (2992, 106483), (3536, 90101), (4862, 65528), (8191, 38896), (9724, 32764), (16382, 19448)]