645604414

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{3911}}^1$

素因数の和:4840

約数の個数: 32

約数和(自身を含む): 1193504256

約数和(自身を除く): 547899842

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 907, 1814, 3911, 6349, 7822, 11791, 12698, 23582, 27377, 50843, 54754, 82537, 101686, 165074, 355901, 711802, 3547277, 7094554, 24830939, 46114601, 49661878, 92229202, 322802207, 645604414]

約数ペア:

[(1, 645604414), (2, 322802207), (7, 92229202), (13, 49661878), (14, 46114601), (26, 24830939), (91, 7094554), (182, 3547277), (907, 711802), (1814, 355901), (3911, 165074), (6349, 101686), (7822, 82537), (11791, 54754), (12698, 50843), (23582, 27377)]