28265356

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 54

約数和(自身を含む): 61246500

約数和(自身を除く): 32981144

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 476, 499, 578, 833, 998, 1156, 1666, 1996, 2023, 3332, 3493, 4046, 6986, 8092, 8483, 13972, 14161, 16966, 24451, 28322, 33932, 48902, 56644, 59381, 97804, 118762, 144211, 237524, 288422, 415667, 576844, 831334, 1009477, 1662668, 2018954, 4037908, 7066339, 14132678, 28265356]

約数ペア:

[(1, 28265356), (2, 14132678), (4, 7066339), (7, 4037908), (14, 2018954), (17, 1662668), (28, 1009477), (34, 831334), (49, 576844), (68, 415667), (98, 288422), (119, 237524), (196, 144211), (238, 118762), (289, 97804), (476, 59381), (499, 56644), (578, 48902), (833, 33932), (998, 28322), (1156, 24451), (1666, 16966), (1996, 14161), (2023, 13972), (3332, 8483), (3493, 8092), (4046, 6986)]