31931168

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 35564512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 79, 136, 158, 272, 316, 544, 632, 743, 1264, 1343, 1486, 2528, 2686, 2972, 5372, 5944, 10744, 11888, 12631, 21488, 23776, 25262, 42976, 50524, 58697, 101048, 117394, 202096, 234788, 404192, 469576, 939152, 997849, 1878304, 1995698, 3991396, 7982792, 15965584, 31931168]

約数ペア:

[(1, 31931168), (2, 15965584), (4, 7982792), (8, 3991396), (16, 1995698), (17, 1878304), (32, 997849), (34, 939152), (68, 469576), (79, 404192), (136, 234788), (158, 202096), (272, 117394), (316, 101048), (544, 58697), (632, 50524), (743, 42976), (1264, 25262), (1343, 23776), (1486, 21488), (2528, 12631), (2686, 11888), (2972, 10744), (5372, 5944)]