878365566

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{17623}}^1$

素因数の和:17718

約数の個数: 64

約数和(自身を含む): 2131799040

約数和(自身を除く): 1253433474

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 639, 702, 923, 1278, 1846, 1917, 2769, 3834, 5538, 8307, 16614, 17623, 24921, 35246, 49842, 52869, 105738, 158607, 229099, 317214, 458198, 475821, 687297, 951642, 1251233, 1374594, 2061891, 2502466, 3753699, 4123782, 6185673, 7507398, 11261097, 12371346, 16266029, 22522194, 32532058, 33783291, 48798087, 67566582, 97596174, 146394261, 292788522, 439182783, 878365566]

約数ペア:

[(1, 878365566), (2, 439182783), (3, 292788522), (6, 146394261), (9, 97596174), (13, 67566582), (18, 48798087), (26, 33783291), (27, 32532058), (39, 22522194), (54, 16266029), (71, 12371346), (78, 11261097), (117, 7507398), (142, 6185673), (213, 4123782), (234, 3753699), (351, 2502466), (426, 2061891), (639, 1374594), (702, 1251233), (923, 951642), (1278, 687297), (1846, 475821), (1917, 458198), (2769, 317214), (3834, 229099), (5538, 158607), (8307, 105738), (16614, 52869), (17623, 49842), (24921, 35246)]