28840045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 10641299

約数列:

[1, 5, 13, 23, 65, 101, 115, 191, 299, 505, 955, 1313, 1495, 2323, 2483, 4393, 6565, 11615, 12415, 19291, 21965, 30199, 57109, 96455, 150995, 250783, 285545, 443693, 1253915, 2218465, 5768009, 28840045]

約数ペア:

[(1, 28840045), (5, 5768009), (13, 2218465), (23, 1253915), (65, 443693), (101, 285545), (115, 250783), (191, 150995), (299, 96455), (505, 57109), (955, 30199), (1313, 21965), (1495, 19291), (2323, 12415), (2483, 11615), (4393, 6565)]