218188698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{399613}}^1$

素因数の和:399638

約数の個数: 32

約数和(自身を含む): 537081216

約数和(自身を除く): 318892518

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 399613, 799226, 1198839, 2397678, 2797291, 5194969, 5594582, 8391873, 10389938, 15584907, 16783746, 31169814, 36364783, 72729566, 109094349, 218188698]

約数ペア:

[(1, 218188698), (2, 109094349), (3, 72729566), (6, 36364783), (7, 31169814), (13, 16783746), (14, 15584907), (21, 10389938), (26, 8391873), (39, 5594582), (42, 5194969), (78, 2797291), (91, 2397678), (182, 1198839), (273, 799226), (546, 399613)]