259891145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 338038272

約数和(自身を除く): 78147127

約数列:

[1, 5, 23, 37, 103, 115, 185, 515, 593, 851, 2369, 2965, 3811, 4255, 11845, 13639, 19055, 21941, 61079, 68195, 87653, 109705, 305395, 438265, 504643, 1404817, 2259923, 2523215, 7024085, 11299615, 51978229, 259891145]

約数ペア:

[(1, 259891145), (5, 51978229), (23, 11299615), (37, 7024085), (103, 2523215), (115, 2259923), (185, 1404817), (515, 504643), (593, 438265), (851, 305395), (2369, 109705), (2965, 87653), (3811, 68195), (4255, 61079), (11845, 21941), (13639, 19055)]