201641825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 325068480

約数和(自身を除く): 123426655

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 109, 155, 175, 217, 275, 341, 385, 545, 763, 775, 961, 1085, 1199, 1705, 1925, 2387, 2725, 3379, 3815, 4805, 5425, 5995, 6727, 8393, 8525, 10571, 11935, 16895, 19075, 23653, 24025, 29975, 33635, 37169, 41965, 52855, 59675, 73997, 84475, 104749, 118265, 168175, 185845, 209825, 260183, 264275, 369985, 523745, 591325, 733243, 929225, 1152239, 1300915, 1849925, 2618725, 3666215, 5761195, 6504575, 8065673, 18331075, 28805975, 40328365, 201641825]

約数ペア:

[(1, 201641825), (5, 40328365), (7, 28805975), (11, 18331075), (25, 8065673), (31, 6504575), (35, 5761195), (55, 3666215), (77, 2618725), (109, 1849925), (155, 1300915), (175, 1152239), (217, 929225), (275, 733243), (341, 591325), (385, 523745), (545, 369985), (763, 264275), (775, 260183), (961, 209825), (1085, 185845), (1199, 168175), (1705, 118265), (1925, 104749), (2387, 84475), (2725, 73997), (3379, 59675), (3815, 52855), (4805, 41965), (5425, 37169), (5995, 33635), (6727, 29975), (8393, 24025), (8525, 23653), (10571, 19075), (11935, 16895)]