664849926

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{6781}}^1$

素因数の和:7221

約数の個数: 48

約数和(自身を含む): 1555248240

約数和(自身を除く): 890398314

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 419, 838, 1257, 2514, 3771, 5447, 6781, 7542, 10894, 13562, 16341, 20343, 32682, 40686, 49023, 61029, 88153, 98046, 122058, 176306, 264459, 528918, 793377, 1586754, 2841239, 5682478, 8523717, 17047434, 25571151, 36936107, 51142302, 73872214, 110808321, 221616642, 332424963, 664849926]

約数ペア:

[(1, 664849926), (2, 332424963), (3, 221616642), (6, 110808321), (9, 73872214), (13, 51142302), (18, 36936107), (26, 25571151), (39, 17047434), (78, 8523717), (117, 5682478), (234, 2841239), (419, 1586754), (838, 793377), (1257, 528918), (2514, 264459), (3771, 176306), (5447, 122058), (6781, 98046), (7542, 88153), (10894, 61029), (13562, 49023), (16341, 40686), (20343, 32682)]