28665196

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 61992000

約数和(自身を除く): 33326804

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 343, 476, 686, 833, 1229, 1372, 1666, 2458, 3332, 4916, 5831, 8603, 11662, 17206, 20893, 23324, 34412, 41786, 60221, 83572, 120442, 146251, 240884, 292502, 421547, 585004, 843094, 1023757, 1686188, 2047514, 4095028, 7166299, 14332598, 28665196]

約数ペア:

[(1, 28665196), (2, 14332598), (4, 7166299), (7, 4095028), (14, 2047514), (17, 1686188), (28, 1023757), (34, 843094), (49, 585004), (68, 421547), (98, 292502), (119, 240884), (196, 146251), (238, 120442), (343, 83572), (476, 60221), (686, 41786), (833, 34412), (1229, 23324), (1372, 20893), (1666, 17206), (2458, 11662), (3332, 8603), (4916, 5831)]