1381876752490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{40417571}}^1$

素因数の和:40417854

約数の個数: 32

約数和(自身を含む): 2688900230016

約数和(自身を除く): 1307023477526

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1315, 2630, 3419, 6838, 17095, 34190, 40417571, 80835142, 202087855, 404175710, 525428423, 1050856846, 2627142115, 5254284230, 10629821173, 21259642346, 53149105865, 106298211730, 138187675249, 276375350498, 690938376245, 1381876752490]

約数ペア:

[(1, 1381876752490), (2, 690938376245), (5, 276375350498), (10, 138187675249), (13, 106298211730), (26, 53149105865), (65, 21259642346), (130, 10629821173), (263, 5254284230), (526, 2627142115), (1315, 1050856846), (2630, 525428423), (3419, 404175710), (6838, 202087855), (17095, 80835142), (34190, 40417571)]