28958405

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 41243904

約数和(自身を除く): 12285499

約数列:

[1, 5, 7, 35, 53, 67, 233, 265, 335, 371, 469, 1165, 1631, 1855, 2345, 3551, 8155, 12349, 15611, 17755, 24857, 61745, 78055, 86443, 109277, 124285, 432215, 546385, 827383, 4136915, 5791681, 28958405]

約数ペア:

[(1, 28958405), (5, 5791681), (7, 4136915), (35, 827383), (53, 546385), (67, 432215), (233, 124285), (265, 109277), (335, 86443), (371, 78055), (469, 61745), (1165, 24857), (1631, 17755), (1855, 15611), (2345, 12349), (3551, 8155)]