15661966325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{205201}}^1$

素因数の和:205325

約数の個数: 24

約数和(自身を含む): 20152478016

約数和(自身を除く): 4490511691

約数列:

[1, 5, 25, 43, 71, 215, 355, 1075, 1775, 3053, 15265, 76325, 205201, 1026005, 5130025, 8823643, 14569271, 44118215, 72846355, 220591075, 364231775, 626478653, 3132393265, 15661966325]

約数ペア:

[(1, 15661966325), (5, 3132393265), (25, 626478653), (43, 364231775), (71, 220591075), (215, 72846355), (355, 44118215), (1075, 14569271), (1775, 8823643), (3053, 5130025), (15265, 1026005), (76325, 205201)]