1388895844

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 2813319936

約数和(自身を除く): 1424424092

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 661, 707, 743, 1322, 1414, 1486, 2644, 2828, 2972, 4627, 5201, 9254, 10402, 18508, 20804, 66761, 75043, 133522, 150086, 267044, 300172, 467327, 491123, 525301, 934654, 982246, 1050602, 1869308, 1964492, 2101204, 3437861, 6875722, 13751444, 49603423, 99206846, 198413692, 347223961, 694447922, 1388895844]

約数ペア:

[(1, 1388895844), (2, 694447922), (4, 347223961), (7, 198413692), (14, 99206846), (28, 49603423), (101, 13751444), (202, 6875722), (404, 3437861), (661, 2101204), (707, 1964492), (743, 1869308), (1322, 1050602), (1414, 982246), (1486, 934654), (2644, 525301), (2828, 491123), (2972, 467327), (4627, 300172), (5201, 267044), (9254, 150086), (10402, 133522), (18508, 75043), (20804, 66761)]