207701977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 50346023

約数列:

[1, 7, 19, 47, 133, 149, 223, 329, 893, 1043, 1561, 2831, 4237, 6251, 7003, 10481, 19817, 29659, 33227, 49021, 73367, 133057, 199139, 232589, 631313, 931399, 1393973, 1561669, 4419191, 10931683, 29671711, 207701977]

約数ペア:

[(1, 207701977), (7, 29671711), (19, 10931683), (47, 4419191), (133, 1561669), (149, 1393973), (223, 931399), (329, 631313), (893, 232589), (1043, 199139), (1561, 133057), (2831, 73367), (4237, 49021), (6251, 33227), (7003, 29659), (10481, 19817)]