31328530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 32123630

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 67, 95, 107, 115, 134, 190, 214, 230, 335, 437, 535, 670, 874, 1070, 1273, 1541, 2033, 2185, 2461, 2546, 3082, 4066, 4370, 4922, 6365, 7169, 7705, 10165, 12305, 12730, 14338, 15410, 20330, 24610, 29279, 35845, 46759, 58558, 71690, 93518, 136211, 146395, 164887, 233795, 272422, 292790, 329774, 467590, 681055, 824435, 1362110, 1648870, 3132853, 6265706, 15664265, 31328530]

約数ペア:

[(1, 31328530), (2, 15664265), (5, 6265706), (10, 3132853), (19, 1648870), (23, 1362110), (38, 824435), (46, 681055), (67, 467590), (95, 329774), (107, 292790), (115, 272422), (134, 233795), (190, 164887), (214, 146395), (230, 136211), (335, 93518), (437, 71690), (535, 58558), (670, 46759), (874, 35845), (1070, 29279), (1273, 24610), (1541, 20330), (2033, 15410), (2185, 14338), (2461, 12730), (2546, 12305), (3082, 10165), (4066, 7705), (4370, 7169), (4922, 6365)]