212912590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2777}}^1$

素因数の和:2853

約数の個数: 64

約数和(自身を含む): 453636288

約数和(自身を除く): 240723698

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 41, 55, 82, 85, 110, 170, 187, 205, 374, 410, 451, 697, 902, 935, 1394, 1870, 2255, 2777, 3485, 4510, 5554, 6970, 7667, 13885, 15334, 27770, 30547, 38335, 47209, 61094, 76670, 94418, 113857, 152735, 227714, 236045, 305470, 472090, 519299, 569285, 1038598, 1138570, 1252427, 1935569, 2504854, 2596495, 3871138, 5192990, 6262135, 9677845, 12524270, 19355690, 21291259, 42582518, 106456295, 212912590]

約数ペア:

[(1, 212912590), (2, 106456295), (5, 42582518), (10, 21291259), (11, 19355690), (17, 12524270), (22, 9677845), (34, 6262135), (41, 5192990), (55, 3871138), (82, 2596495), (85, 2504854), (110, 1935569), (170, 1252427), (187, 1138570), (205, 1038598), (374, 569285), (410, 519299), (451, 472090), (697, 305470), (902, 236045), (935, 227714), (1394, 152735), (1870, 113857), (2255, 94418), (2777, 76670), (3485, 61094), (4510, 47209), (5554, 38335), (6970, 30547), (7667, 27770), (13885, 15334)]