30811956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21577}}^1$

素因数の和:21608

約数の個数: 48

約数和(自身を含む): 87002496

約数和(自身を除く): 56190540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 21577, 43154, 64731, 86308, 129462, 151039, 258924, 302078, 366809, 453117, 604156, 733618, 906234, 1100427, 1467236, 1812468, 2200854, 2567663, 4401708, 5135326, 7702989, 10270652, 15405978, 30811956]

約数ペア:

[(1, 30811956), (2, 15405978), (3, 10270652), (4, 7702989), (6, 5135326), (7, 4401708), (12, 2567663), (14, 2200854), (17, 1812468), (21, 1467236), (28, 1100427), (34, 906234), (42, 733618), (51, 604156), (68, 453117), (84, 366809), (102, 302078), (119, 258924), (204, 151039), (238, 129462), (357, 86308), (476, 64731), (714, 43154), (1428, 21577)]