31213312

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 68506704

約数和(自身を除く): 37293392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 83, 104, 113, 128, 166, 208, 226, 256, 332, 416, 452, 664, 832, 904, 1079, 1328, 1469, 1664, 1808, 2158, 2656, 2938, 3328, 3616, 4316, 5312, 5876, 7232, 8632, 9379, 10624, 11752, 14464, 17264, 18758, 21248, 23504, 28928, 34528, 37516, 47008, 69056, 75032, 94016, 121927, 138112, 150064, 188032, 243854, 276224, 300128, 376064, 487708, 600256, 975416, 1200512, 1950832, 2401024, 3901664, 7803328, 15606656, 31213312]

約数ペア:

[(1, 31213312), (2, 15606656), (4, 7803328), (8, 3901664), (13, 2401024), (16, 1950832), (26, 1200512), (32, 975416), (52, 600256), (64, 487708), (83, 376064), (104, 300128), (113, 276224), (128, 243854), (166, 188032), (208, 150064), (226, 138112), (256, 121927), (332, 94016), (416, 75032), (452, 69056), (664, 47008), (832, 37516), (904, 34528), (1079, 28928), (1328, 23504), (1469, 21248), (1664, 18758), (1808, 17264), (2158, 14464), (2656, 11752), (2938, 10624), (3328, 9379), (3616, 8632), (4316, 7232), (5312, 5876)]