123218964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{821}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 341097120

約数和(自身を除く): 217878156

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 379, 396, 758, 821, 1137, 1516, 1642, 2274, 2463, 3284, 3411, 4169, 4548, 4926, 6822, 7389, 8338, 9031, 9852, 12507, 13644, 14778, 16676, 18062, 25014, 27093, 29556, 36124, 37521, 50028, 54186, 75042, 81279, 108372, 150084, 162558, 311159, 325116, 622318, 933477, 1244636, 1866954, 2800431, 3422749, 3733908, 5600862, 6845498, 10268247, 11201724, 13690996, 20536494, 30804741, 41072988, 61609482, 123218964]

約数ペア:

[(1, 123218964), (2, 61609482), (3, 41072988), (4, 30804741), (6, 20536494), (9, 13690996), (11, 11201724), (12, 10268247), (18, 6845498), (22, 5600862), (33, 3733908), (36, 3422749), (44, 2800431), (66, 1866954), (99, 1244636), (132, 933477), (198, 622318), (379, 325116), (396, 311159), (758, 162558), (821, 150084), (1137, 108372), (1516, 81279), (1642, 75042), (2274, 54186), (2463, 50028), (3284, 37521), (3411, 36124), (4169, 29556), (4548, 27093), (4926, 25014), (6822, 18062), (7389, 16676), (8338, 14778), (9031, 13644), (9852, 12507)]