28379585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 39287808

約数和(自身を除く): 10908223

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 463, 533, 943, 1495, 2315, 2665, 4715, 6019, 10649, 12259, 18983, 30095, 53245, 61295, 94915, 138437, 246779, 436609, 692185, 1233895, 2183045, 5675917, 28379585]

約数ペア:

[(1, 28379585), (5, 5675917), (13, 2183045), (23, 1233895), (41, 692185), (65, 436609), (115, 246779), (205, 138437), (299, 94915), (463, 61295), (533, 53245), (943, 30095), (1495, 18983), (2315, 12259), (2665, 10649), (4715, 6019)]