13307520785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1\times {\mathrm{853}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 17289810720

約数和(自身を除く): 3982289935

約数列:

[1, 5, 13, 65, 389, 617, 853, 1945, 3085, 4265, 5057, 8021, 11089, 25285, 40105, 55445, 240013, 331817, 526301, 1200065, 1659085, 2631505, 3120169, 4313621, 6841913, 15600845, 21568105, 34209565, 204731089, 1023655445, 2661504157, 13307520785]

約数ペア:

[(1, 13307520785), (5, 2661504157), (13, 1023655445), (65, 204731089), (389, 34209565), (617, 21568105), (853, 15600845), (1945, 6841913), (3085, 4313621), (4265, 3120169), (5057, 2631505), (8021, 1659085), (11089, 1200065), (25285, 526301), (40105, 331817), (55445, 240013)]