678969562

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 1092123648

約数和(自身を除く): 413154086

約数列:

[1, 2, 17, 34, 167, 197, 334, 394, 607, 1214, 2839, 3349, 5678, 6698, 10319, 20638, 32899, 65798, 101369, 119579, 202738, 239158, 559283, 1118566, 1723273, 2032843, 3446546, 4065686, 19969693, 39939386, 339484781, 678969562]

約数ペア:

[(1, 678969562), (2, 339484781), (17, 39939386), (34, 19969693), (167, 4065686), (197, 3446546), (334, 2032843), (394, 1723273), (607, 1118566), (1214, 559283), (2839, 239158), (3349, 202738), (5678, 119579), (6698, 101369), (10319, 65798), (20638, 32899)]