28719628

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 60137280

約数和(自身を除く): 31417652

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 113, 116, 203, 226, 313, 406, 452, 626, 791, 812, 1252, 1582, 2191, 3164, 3277, 4382, 6554, 8764, 9077, 13108, 18154, 22939, 35369, 36308, 45878, 63539, 70738, 91756, 127078, 141476, 247583, 254156, 495166, 990332, 1025701, 2051402, 4102804, 7179907, 14359814, 28719628]

約数ペア:

[(1, 28719628), (2, 14359814), (4, 7179907), (7, 4102804), (14, 2051402), (28, 1025701), (29, 990332), (58, 495166), (113, 254156), (116, 247583), (203, 141476), (226, 127078), (313, 91756), (406, 70738), (452, 63539), (626, 45878), (791, 36308), (812, 35369), (1252, 22939), (1582, 18154), (2191, 13108), (3164, 9077), (3277, 8764), (4382, 6554)]