215957268

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 578570720

約数和(自身を除く): 362613452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 228, 314, 342, 471, 628, 684, 942, 1413, 1884, 2011, 2826, 2983, 4022, 5652, 5966, 6033, 8044, 8949, 11932, 12066, 17898, 18099, 24132, 26847, 35796, 36198, 38209, 53694, 72396, 76418, 107388, 114627, 152836, 229254, 315727, 343881, 458508, 631454, 687762, 947181, 1262908, 1375524, 1894362, 2841543, 3788724, 5683086, 5998813, 11366172, 11997626, 17996439, 23995252, 35992878, 53989317, 71985756, 107978634, 215957268]

約数ペア:

[(1, 215957268), (2, 107978634), (3, 71985756), (4, 53989317), (6, 35992878), (9, 23995252), (12, 17996439), (18, 11997626), (19, 11366172), (36, 5998813), (38, 5683086), (57, 3788724), (76, 2841543), (114, 1894362), (157, 1375524), (171, 1262908), (228, 947181), (314, 687762), (342, 631454), (471, 458508), (628, 343881), (684, 315727), (942, 229254), (1413, 152836), (1884, 114627), (2011, 107388), (2826, 76418), (2983, 72396), (4022, 53694), (5652, 38209), (5966, 36198), (6033, 35796), (8044, 26847), (8949, 24132), (11932, 18099), (12066, 17898)]