28129444

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 30294236

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 107, 164, 214, 229, 287, 428, 458, 574, 749, 916, 1148, 1498, 1603, 2996, 3206, 4387, 6412, 8774, 9389, 17548, 18778, 24503, 30709, 37556, 49006, 61418, 65723, 98012, 122836, 131446, 171521, 262892, 343042, 686084, 1004623, 2009246, 4018492, 7032361, 14064722, 28129444]

約数ペア:

[(1, 28129444), (2, 14064722), (4, 7032361), (7, 4018492), (14, 2009246), (28, 1004623), (41, 686084), (82, 343042), (107, 262892), (164, 171521), (214, 131446), (229, 122836), (287, 98012), (428, 65723), (458, 61418), (574, 49006), (749, 37556), (916, 30709), (1148, 24503), (1498, 18778), (1603, 17548), (2996, 9389), (3206, 8774), (4387, 6412)]