28148918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26594122

約数列:

[1, 2, 7, 14, 19, 23, 38, 43, 46, 86, 107, 133, 161, 214, 266, 301, 322, 437, 602, 749, 817, 874, 989, 1498, 1634, 1978, 2033, 2461, 3059, 4066, 4601, 4922, 5719, 6118, 6923, 9202, 11438, 13846, 14231, 17227, 18791, 28462, 32207, 34454, 37582, 46759, 64414, 87419, 93518, 105823, 131537, 174838, 211646, 263074, 327313, 611933, 654626, 740761, 1223866, 1481522, 2010637, 4021274, 14074459, 28148918]

約数ペア:

[(1, 28148918), (2, 14074459), (7, 4021274), (14, 2010637), (19, 1481522), (23, 1223866), (38, 740761), (43, 654626), (46, 611933), (86, 327313), (107, 263074), (133, 211646), (161, 174838), (214, 131537), (266, 105823), (301, 93518), (322, 87419), (437, 64414), (602, 46759), (749, 37582), (817, 34454), (874, 32207), (989, 28462), (1498, 18791), (1634, 17227), (1978, 14231), (2033, 13846), (2461, 11438), (3059, 9202), (4066, 6923), (4601, 6118), (4922, 5719)]