128644164

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1993}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 357101472

約数和(自身を除く): 228457308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 163, 198, 326, 396, 489, 652, 978, 1467, 1793, 1956, 1993, 2934, 3586, 3986, 5379, 5868, 5979, 7172, 7972, 10758, 11958, 16137, 17937, 21516, 21923, 23916, 32274, 35874, 43846, 64548, 65769, 71748, 87692, 131538, 197307, 263076, 324859, 394614, 649718, 789228, 974577, 1299436, 1949154, 2923731, 3573449, 3898308, 5847462, 7146898, 10720347, 11694924, 14293796, 21440694, 32161041, 42881388, 64322082, 128644164]

約数ペア:

[(1, 128644164), (2, 64322082), (3, 42881388), (4, 32161041), (6, 21440694), (9, 14293796), (11, 11694924), (12, 10720347), (18, 7146898), (22, 5847462), (33, 3898308), (36, 3573449), (44, 2923731), (66, 1949154), (99, 1299436), (132, 974577), (163, 789228), (198, 649718), (326, 394614), (396, 324859), (489, 263076), (652, 197307), (978, 131538), (1467, 87692), (1793, 71748), (1956, 65769), (1993, 64548), (2934, 43846), (3586, 35874), (3986, 32274), (5379, 23916), (5868, 21923), (5979, 21516), (7172, 17937), (7972, 16137), (10758, 11958)]