28471842

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1740

約数の個数: 72

約数和(自身を含む): 75582000

約数和(自身を除く): 47110158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1699, 1862, 2394, 2793, 3398, 5097, 5586, 8379, 10194, 11893, 15291, 16758, 23786, 30582, 32281, 35679, 64562, 71358, 83251, 96843, 107037, 166502, 193686, 214074, 225967, 249753, 290529, 451934, 499506, 581058, 677901, 749259, 1355802, 1498518, 1581769, 2033703, 3163538, 4067406, 4745307, 9490614, 14235921, 28471842]

約数ペア:

[(1, 28471842), (2, 14235921), (3, 9490614), (6, 4745307), (7, 4067406), (9, 3163538), (14, 2033703), (18, 1581769), (19, 1498518), (21, 1355802), (38, 749259), (42, 677901), (49, 581058), (57, 499506), (63, 451934), (98, 290529), (114, 249753), (126, 225967), (133, 214074), (147, 193686), (171, 166502), (266, 107037), (294, 96843), (342, 83251), (399, 71358), (441, 64562), (798, 35679), (882, 32281), (931, 30582), (1197, 23786), (1699, 16758), (1862, 15291), (2394, 11893), (2793, 10194), (3398, 8379), (5097, 5586)]