39309215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 13913185

約数列:

[1, 5, 11, 55, 79, 83, 109, 395, 415, 545, 869, 913, 1199, 4345, 4565, 5995, 6557, 8611, 9047, 32785, 43055, 45235, 72127, 94721, 99517, 360635, 473605, 497585, 714713, 3573565, 7861843, 39309215]

約数ペア:

[(1, 39309215), (5, 7861843), (11, 3573565), (55, 714713), (79, 497585), (83, 473605), (109, 360635), (395, 99517), (415, 94721), (545, 72127), (869, 45235), (913, 43055), (1199, 32785), (4345, 9047), (4565, 8611), (5995, 6557)]