28896028

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 59739904

約数和(自身を除く): 30843876

約数列:

[1, 2, 4, 7, 14, 28, 67, 73, 134, 146, 211, 268, 292, 422, 469, 511, 844, 938, 1022, 1477, 1876, 2044, 2954, 4891, 5908, 9782, 14137, 15403, 19564, 28274, 30806, 34237, 56548, 61612, 68474, 98959, 107821, 136948, 197918, 215642, 395836, 431284, 1032001, 2064002, 4128004, 7224007, 14448014, 28896028]

約数ペア:

[(1, 28896028), (2, 14448014), (4, 7224007), (7, 4128004), (14, 2064002), (28, 1032001), (67, 431284), (73, 395836), (134, 215642), (146, 197918), (211, 136948), (268, 107821), (292, 98959), (422, 68474), (469, 61612), (511, 56548), (844, 34237), (938, 30806), (1022, 28274), (1477, 19564), (1876, 15403), (2044, 14137), (2954, 9782), (4891, 5908)]