7213490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 13754880

約数和(自身を除く): 6541390

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 158, 230, 395, 397, 790, 794, 1817, 1985, 3634, 3970, 9085, 9131, 18170, 18262, 31363, 45655, 62726, 91310, 156815, 313630, 721349, 1442698, 3606745, 7213490]

約数ペア:

[(1, 7213490), (2, 3606745), (5, 1442698), (10, 721349), (23, 313630), (46, 156815), (79, 91310), (115, 62726), (158, 45655), (230, 31363), (395, 18262), (397, 18170), (790, 9131), (794, 9085), (1817, 3970), (1985, 3634)]