329038190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{16987}}^1$

素因数の和:17156

約数の個数: 32

約数和(自身を含む): 642146400

約数和(自身を除く): 313108210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 16987, 19370, 33974, 84935, 169870, 220831, 441662, 1104155, 2208310, 2531063, 5062126, 12655315, 25310630, 32903819, 65807638, 164519095, 329038190]

約数ペア:

[(1, 329038190), (2, 164519095), (5, 65807638), (10, 32903819), (13, 25310630), (26, 12655315), (65, 5062126), (130, 2531063), (149, 2208310), (298, 1104155), (745, 441662), (1490, 220831), (1937, 169870), (3874, 84935), (9685, 33974), (16987, 19370)]