212049145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 332513280

約数和(自身を除く): 120464135

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 109, 155, 163, 217, 341, 385, 545, 763, 815, 1085, 1141, 1199, 1705, 1793, 2387, 3379, 3815, 5053, 5705, 5995, 8393, 8965, 11935, 12551, 16895, 17767, 23653, 25265, 35371, 37169, 41965, 55583, 62755, 88835, 118265, 124369, 176855, 185845, 195437, 260183, 277915, 389081, 550777, 621845, 977185, 1300915, 1368059, 1945405, 2753885, 3855439, 6058547, 6840295, 19277195, 30292735, 42409829, 212049145]

約数ペア:

[(1, 212049145), (5, 42409829), (7, 30292735), (11, 19277195), (31, 6840295), (35, 6058547), (55, 3855439), (77, 2753885), (109, 1945405), (155, 1368059), (163, 1300915), (217, 977185), (341, 621845), (385, 550777), (545, 389081), (763, 277915), (815, 260183), (1085, 195437), (1141, 185845), (1199, 176855), (1705, 124369), (1793, 118265), (2387, 88835), (3379, 62755), (3815, 55583), (5053, 41965), (5705, 37169), (5995, 35371), (8393, 25265), (8965, 23653), (11935, 17767), (12551, 16895)]