30991912

素因数分解:

$2^3\times 7^2\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 68136660

約数和(自身を除く): 37144748

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 173, 196, 346, 392, 457, 692, 914, 1211, 1384, 1828, 2422, 3199, 3656, 4844, 6398, 8477, 9688, 12796, 16954, 22393, 25592, 33908, 44786, 67816, 79061, 89572, 158122, 179144, 316244, 553427, 632488, 1106854, 2213708, 3873989, 4427416, 7747978, 15495956, 30991912]

約数ペア:

[(1, 30991912), (2, 15495956), (4, 7747978), (7, 4427416), (8, 3873989), (14, 2213708), (28, 1106854), (49, 632488), (56, 553427), (98, 316244), (173, 179144), (196, 158122), (346, 89572), (392, 79061), (457, 67816), (692, 44786), (914, 33908), (1211, 25592), (1384, 22393), (1828, 16954), (2422, 12796), (3199, 9688), (3656, 8477), (4844, 6398)]