27988970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 56733696

約数和(自身を除く): 28744726

約数列:

[1, 2, 5, 10, 17, 31, 34, 47, 62, 85, 94, 113, 155, 170, 226, 235, 310, 470, 527, 565, 799, 1054, 1130, 1457, 1598, 1921, 2635, 2914, 3503, 3842, 3995, 5270, 5311, 7006, 7285, 7990, 9605, 10622, 14570, 17515, 19210, 24769, 26555, 35030, 49538, 53110, 59551, 90287, 119102, 123845, 164641, 180574, 247690, 297755, 329282, 451435, 595510, 823205, 902870, 1646410, 2798897, 5597794, 13994485, 27988970]

約数ペア:

[(1, 27988970), (2, 13994485), (5, 5597794), (10, 2798897), (17, 1646410), (31, 902870), (34, 823205), (47, 595510), (62, 451435), (85, 329282), (94, 297755), (113, 247690), (155, 180574), (170, 164641), (226, 123845), (235, 119102), (310, 90287), (470, 59551), (527, 53110), (565, 49538), (799, 35030), (1054, 26555), (1130, 24769), (1457, 19210), (1598, 17515), (1921, 14570), (2635, 10622), (2914, 9605), (3503, 7990), (3842, 7285), (3995, 7006), (5270, 5311)]