28156086

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{3547}}^1$

素因数の和:3575

約数の個数: 60

約数和(自身を含む): 73411668

約数和(自身を除く): 45255582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3547, 3969, 7094, 7938, 10641, 21282, 24829, 31923, 49658, 63846, 74487, 95769, 148974, 173803, 191538, 223461, 287307, 347606, 446922, 521409, 574614, 670383, 1042818, 1340766, 1564227, 2011149, 3128454, 4022298, 4692681, 9385362, 14078043, 28156086]

約数ペア:

[(1, 28156086), (2, 14078043), (3, 9385362), (6, 4692681), (7, 4022298), (9, 3128454), (14, 2011149), (18, 1564227), (21, 1340766), (27, 1042818), (42, 670383), (49, 574614), (54, 521409), (63, 446922), (81, 347606), (98, 287307), (126, 223461), (147, 191538), (162, 173803), (189, 148974), (294, 95769), (378, 74487), (441, 63846), (567, 49658), (882, 31923), (1134, 24829), (1323, 21282), (2646, 10641), (3547, 7938), (3969, 7094)]