30805418

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 57127680

約数和(自身を除く): 26322262

約数列:

[1, 2, 7, 14, 23, 46, 49, 79, 98, 158, 161, 173, 322, 346, 553, 1106, 1127, 1211, 1817, 2254, 2422, 3634, 3871, 3979, 7742, 7958, 8477, 12719, 13667, 16954, 25438, 27334, 27853, 55706, 89033, 95669, 178066, 191338, 194971, 314341, 389942, 628682, 669683, 1339366, 2200387, 4400774, 15402709, 30805418]

約数ペア:

[(1, 30805418), (2, 15402709), (7, 4400774), (14, 2200387), (23, 1339366), (46, 669683), (49, 628682), (79, 389942), (98, 314341), (158, 194971), (161, 191338), (173, 178066), (322, 95669), (346, 89033), (553, 55706), (1106, 27853), (1127, 27334), (1211, 25438), (1817, 16954), (2254, 13667), (2422, 12719), (3634, 8477), (3871, 7958), (3979, 7742)]