28173012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 80720640

約数和(自身を除く): 52547628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 109, 119, 181, 204, 218, 238, 327, 357, 362, 436, 476, 543, 654, 714, 724, 763, 1086, 1267, 1308, 1428, 1526, 1853, 2172, 2289, 2534, 3052, 3077, 3706, 3801, 4578, 5068, 5559, 6154, 7412, 7602, 9156, 9231, 11118, 12308, 12971, 15204, 18462, 19729, 21539, 22236, 25942, 36924, 38913, 39458, 43078, 51884, 59187, 64617, 77826, 78916, 86156, 118374, 129234, 138103, 155652, 236748, 258468, 276206, 335393, 414309, 552412, 670786, 828618, 1006179, 1341572, 1657236, 2012358, 2347751, 4024716, 4695502, 7043253, 9391004, 14086506, 28173012]

約数ペア:

[(1, 28173012), (2, 14086506), (3, 9391004), (4, 7043253), (6, 4695502), (7, 4024716), (12, 2347751), (14, 2012358), (17, 1657236), (21, 1341572), (28, 1006179), (34, 828618), (42, 670786), (51, 552412), (68, 414309), (84, 335393), (102, 276206), (109, 258468), (119, 236748), (181, 155652), (204, 138103), (218, 129234), (238, 118374), (327, 86156), (357, 78916), (362, 77826), (436, 64617), (476, 59187), (543, 51884), (654, 43078), (714, 39458), (724, 38913), (763, 36924), (1086, 25942), (1267, 22236), (1308, 21539), (1428, 19729), (1526, 18462), (1853, 15204), (2172, 12971), (2289, 12308), (2534, 11118), (3052, 9231), (3077, 9156), (3706, 7602), (3801, 7412), (4578, 6154), (5068, 5559)]