291207370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{6427}}^1$

素因数の和:6654

約数の個数: 32

約数和(自身を含む): 549825408

約数和(自身を除く): 258618038

約数列:

[1, 2, 5, 10, 23, 46, 115, 197, 230, 394, 985, 1970, 4531, 6427, 9062, 12854, 22655, 32135, 45310, 64270, 147821, 295642, 739105, 1266119, 1478210, 2532238, 6330595, 12661190, 29120737, 58241474, 145603685, 291207370]

約数ペア:

[(1, 291207370), (2, 145603685), (5, 58241474), (10, 29120737), (23, 12661190), (46, 6330595), (115, 2532238), (197, 1478210), (230, 1266119), (394, 739105), (985, 295642), (1970, 147821), (4531, 64270), (6427, 45310), (9062, 32135), (12854, 22655)]