131821638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1241

約数の個数: 64

約数和(自身を含む): 304274880

約数和(自身を除く): 172453242

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 89, 102, 178, 221, 267, 442, 534, 663, 1117, 1157, 1326, 1513, 2234, 2314, 3026, 3351, 3471, 4539, 6702, 6942, 9078, 14521, 18989, 19669, 29042, 37978, 39338, 43563, 56967, 59007, 87126, 99413, 113934, 118014, 198826, 246857, 298239, 493714, 596478, 740571, 1292369, 1481142, 1690021, 2584738, 3380042, 3877107, 5070063, 7754214, 10140126, 21970273, 43940546, 65910819, 131821638]

約数ペア:

[(1, 131821638), (2, 65910819), (3, 43940546), (6, 21970273), (13, 10140126), (17, 7754214), (26, 5070063), (34, 3877107), (39, 3380042), (51, 2584738), (78, 1690021), (89, 1481142), (102, 1292369), (178, 740571), (221, 596478), (267, 493714), (442, 298239), (534, 246857), (663, 198826), (1117, 118014), (1157, 113934), (1326, 99413), (1513, 87126), (2234, 59007), (2314, 56967), (3026, 43563), (3351, 39338), (3471, 37978), (4539, 29042), (6702, 19669), (6942, 18989), (9078, 14521)]