31799988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 88504416

約数和(自身を除く): 56704428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 393, 396, 524, 613, 786, 1179, 1226, 1441, 1572, 1839, 2358, 2452, 2882, 3678, 4323, 4716, 5517, 5764, 6743, 7356, 8646, 11034, 12969, 13486, 17292, 20229, 22068, 25938, 26972, 40458, 51876, 60687, 80303, 80916, 121374, 160606, 240909, 242748, 321212, 481818, 722727, 883333, 963636, 1445454, 1766666, 2649999, 2890908, 3533332, 5299998, 7949997, 10599996, 15899994, 31799988]

約数ペア:

[(1, 31799988), (2, 15899994), (3, 10599996), (4, 7949997), (6, 5299998), (9, 3533332), (11, 2890908), (12, 2649999), (18, 1766666), (22, 1445454), (33, 963636), (36, 883333), (44, 722727), (66, 481818), (99, 321212), (131, 242748), (132, 240909), (198, 160606), (262, 121374), (393, 80916), (396, 80303), (524, 60687), (613, 51876), (786, 40458), (1179, 26972), (1226, 25938), (1441, 22068), (1572, 20229), (1839, 17292), (2358, 13486), (2452, 12969), (2882, 11034), (3678, 8646), (4323, 7356), (4716, 6743), (5517, 5764)]