890685616

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{811}}^1\times {\mathrm{827}}^1$

素因数の和:1729

約数の個数: 40

約数和(自身を含む): 1750762944

約数和(自身を除く): 860077328

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 811, 827, 1328, 1622, 1654, 3244, 3308, 6488, 6616, 12976, 13232, 67313, 68641, 134626, 137282, 269252, 274564, 538504, 549128, 670697, 1077008, 1098256, 1341394, 2682788, 5365576, 10731152, 55667851, 111335702, 222671404, 445342808, 890685616]

約数ペア:

[(1, 890685616), (2, 445342808), (4, 222671404), (8, 111335702), (16, 55667851), (83, 10731152), (166, 5365576), (332, 2682788), (664, 1341394), (811, 1098256), (827, 1077008), (1328, 670697), (1622, 549128), (1654, 538504), (3244, 274564), (3308, 269252), (6488, 137282), (6616, 134626), (12976, 68641), (13232, 67313)]