1397479928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{821}}^1\times {\mathrm{1259}}^1$

素因数の和:2112

約数の個数: 48

約数和(自身を含む): 2843051400

約数和(自身を除く): 1445571472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 821, 1259, 1352, 1642, 2518, 3284, 5036, 6568, 10072, 10673, 16367, 21346, 32734, 42692, 65468, 85384, 130936, 138749, 212771, 277498, 425542, 554996, 851084, 1033639, 1109992, 1702168, 2067278, 4134556, 8269112, 13437307, 26874614, 53749228, 107498456, 174684991, 349369982, 698739964, 1397479928]

約数ペア:

[(1, 1397479928), (2, 698739964), (4, 349369982), (8, 174684991), (13, 107498456), (26, 53749228), (52, 26874614), (104, 13437307), (169, 8269112), (338, 4134556), (676, 2067278), (821, 1702168), (1259, 1109992), (1352, 1033639), (1642, 851084), (2518, 554996), (3284, 425542), (5036, 277498), (6568, 212771), (10072, 138749), (10673, 130936), (16367, 85384), (21346, 65468), (32734, 42692)]