28876001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 8725279

約数列:

[1, 7, 11, 47, 77, 79, 101, 329, 517, 553, 707, 869, 1111, 3619, 3713, 4747, 6083, 7777, 7979, 25991, 33229, 40843, 52217, 55853, 87769, 285901, 365519, 375013, 614383, 2625091, 4125143, 28876001]

約数ペア:

[(1, 28876001), (7, 4125143), (11, 2625091), (47, 614383), (77, 375013), (79, 365519), (101, 285901), (329, 87769), (517, 55853), (553, 52217), (707, 40843), (869, 33229), (1111, 25991), (3619, 7979), (3713, 7777), (4747, 6083)]