31126864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 67606164

約数和(自身を除く): 36479300

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 317, 323, 361, 634, 646, 722, 1268, 1292, 1444, 2536, 2584, 2888, 5072, 5168, 5389, 5776, 6023, 6137, 10778, 12046, 12274, 21556, 24092, 24548, 43112, 48184, 49096, 86224, 96368, 98192, 102391, 114437, 204782, 228874, 409564, 457748, 819128, 915496, 1638256, 1830992, 1945429, 3890858, 7781716, 15563432, 31126864]

約数ペア:

[(1, 31126864), (2, 15563432), (4, 7781716), (8, 3890858), (16, 1945429), (17, 1830992), (19, 1638256), (34, 915496), (38, 819128), (68, 457748), (76, 409564), (136, 228874), (152, 204782), (272, 114437), (304, 102391), (317, 98192), (323, 96368), (361, 86224), (634, 49096), (646, 48184), (722, 43112), (1268, 24548), (1292, 24092), (1444, 21556), (2536, 12274), (2584, 12046), (2888, 10778), (5072, 6137), (5168, 6023), (5389, 5776)]