261649188

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{2621}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 687173760

約数和(自身を除く): 425524572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 423, 531, 564, 708, 846, 1062, 1692, 2124, 2621, 2773, 5242, 5546, 7863, 8319, 10484, 11092, 15726, 16638, 23589, 24957, 31452, 33276, 47178, 49914, 94356, 99828, 123187, 154639, 246374, 309278, 369561, 463917, 492748, 618556, 739122, 927834, 1108683, 1391751, 1478244, 1855668, 2217366, 2783502, 4434732, 5567004, 7268033, 14536066, 21804099, 29072132, 43608198, 65412297, 87216396, 130824594, 261649188]

約数ペア:

[(1, 261649188), (2, 130824594), (3, 87216396), (4, 65412297), (6, 43608198), (9, 29072132), (12, 21804099), (18, 14536066), (36, 7268033), (47, 5567004), (59, 4434732), (94, 2783502), (118, 2217366), (141, 1855668), (177, 1478244), (188, 1391751), (236, 1108683), (282, 927834), (354, 739122), (423, 618556), (531, 492748), (564, 463917), (708, 369561), (846, 309278), (1062, 246374), (1692, 154639), (2124, 123187), (2621, 99828), (2773, 94356), (5242, 49914), (5546, 47178), (7863, 33276), (8319, 31452), (10484, 24957), (11092, 23589), (15726, 16638)]