161643188

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 329301504

約数和(自身を除く): 167658316

約数列:

[1, 2, 4, 7, 14, 28, 107, 163, 214, 326, 331, 428, 652, 662, 749, 1141, 1324, 1498, 2282, 2317, 2996, 4564, 4634, 9268, 17441, 34882, 35417, 53953, 69764, 70834, 107906, 122087, 141668, 215812, 244174, 247919, 377671, 488348, 495838, 755342, 991676, 1510684, 5772971, 11545942, 23091884, 40410797, 80821594, 161643188]

約数ペア:

[(1, 161643188), (2, 80821594), (4, 40410797), (7, 23091884), (14, 11545942), (28, 5772971), (107, 1510684), (163, 991676), (214, 755342), (326, 495838), (331, 488348), (428, 377671), (652, 247919), (662, 244174), (749, 215812), (1141, 141668), (1324, 122087), (1498, 107906), (2282, 70834), (2317, 69764), (2996, 53953), (4564, 35417), (4634, 34882), (9268, 17441)]