64020405085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{62563}}^1$

素因数の和:62774

約数の個数: 48

約数和(自身を含む): 95623818624

約数和(自身を除く): 31603413539

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 173, 455, 845, 865, 1183, 1211, 2249, 5915, 6055, 11245, 15743, 29237, 62563, 78715, 146185, 204659, 312815, 437941, 813319, 1023295, 2189705, 4066595, 5693233, 10573147, 10823399, 28466165, 52865735, 54116995, 74012029, 75763793, 140704187, 370060145, 378818965, 703520935, 984929309, 1829154431, 4924646545, 9145772155, 12804081017, 64020405085]

約数ペア:

[(1, 64020405085), (5, 12804081017), (7, 9145772155), (13, 4924646545), (35, 1829154431), (65, 984929309), (91, 703520935), (169, 378818965), (173, 370060145), (455, 140704187), (845, 75763793), (865, 74012029), (1183, 54116995), (1211, 52865735), (2249, 28466165), (5915, 10823399), (6055, 10573147), (11245, 5693233), (15743, 4066595), (29237, 2189705), (62563, 1023295), (78715, 813319), (146185, 437941), (204659, 312815)]