1387805636

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{133597}}^1$

素因数の和:133668

約数の個数: 36

約数和(自身を含む): 2878502508

約数和(自身を除く): 1490696872

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 5194, 10388, 133597, 267194, 534388, 935179, 1870358, 3740716, 6546253, 7080641, 13092506, 14161282, 26185012, 28322564, 49564487, 99128974, 198257948, 346951409, 693902818, 1387805636]

約数ペア:

[(1, 1387805636), (2, 693902818), (4, 346951409), (7, 198257948), (14, 99128974), (28, 49564487), (49, 28322564), (53, 26185012), (98, 14161282), (106, 13092506), (196, 7080641), (212, 6546253), (371, 3740716), (742, 1870358), (1484, 935179), (2597, 534388), (5194, 267194), (10388, 133597)]