28879088

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 69162240

約数和(自身を除く): 40283152

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 266, 287, 304, 328, 331, 532, 574, 656, 662, 779, 1064, 1148, 1324, 1558, 2128, 2296, 2317, 2648, 3116, 4592, 4634, 5296, 5453, 6232, 6289, 9268, 10906, 12464, 12578, 13571, 18536, 21812, 25156, 27142, 37072, 43624, 44023, 50312, 54284, 87248, 88046, 94997, 100624, 108568, 176092, 189994, 217136, 257849, 352184, 379988, 515698, 704368, 759976, 1031396, 1519952, 1804943, 2062792, 3609886, 4125584, 7219772, 14439544, 28879088]

約数ペア:

[(1, 28879088), (2, 14439544), (4, 7219772), (7, 4125584), (8, 3609886), (14, 2062792), (16, 1804943), (19, 1519952), (28, 1031396), (38, 759976), (41, 704368), (56, 515698), (76, 379988), (82, 352184), (112, 257849), (133, 217136), (152, 189994), (164, 176092), (266, 108568), (287, 100624), (304, 94997), (328, 88046), (331, 87248), (532, 54284), (574, 50312), (656, 44023), (662, 43624), (779, 37072), (1064, 27142), (1148, 25156), (1324, 21812), (1558, 18536), (2128, 13571), (2296, 12578), (2317, 12464), (2648, 10906), (3116, 9268), (4592, 6289), (4634, 6232), (5296, 5453)]