221393796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3371}}^1$

素因数の和:3812

約数の個数: 48

約数和(自身を含む): 557809728

約数和(自身を除く): 336415932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 421, 842, 1263, 1684, 2526, 3371, 5052, 5473, 6742, 10113, 10946, 13484, 16419, 20226, 21892, 32838, 40452, 43823, 65676, 87646, 131469, 175292, 262938, 525876, 1419191, 2838382, 4257573, 5676764, 8515146, 17030292, 18449483, 36898966, 55348449, 73797932, 110696898, 221393796]

約数ペア:

[(1, 221393796), (2, 110696898), (3, 73797932), (4, 55348449), (6, 36898966), (12, 18449483), (13, 17030292), (26, 8515146), (39, 5676764), (52, 4257573), (78, 2838382), (156, 1419191), (421, 525876), (842, 262938), (1263, 175292), (1684, 131469), (2526, 87646), (3371, 65676), (5052, 43823), (5473, 40452), (6742, 32838), (10113, 21892), (10946, 20226), (13484, 16419)]