28820428

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11311}}^1$

素因数の和:11342

約数の個数: 36

約数和(自身を含む): 63188832

約数和(自身を除く): 34368404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 11311, 22622, 45244, 79177, 147043, 158354, 294086, 316708, 554239, 588172, 1029301, 1108478, 2058602, 2216956, 4117204, 7205107, 14410214, 28820428]

約数ペア:

[(1, 28820428), (2, 14410214), (4, 7205107), (7, 4117204), (13, 2216956), (14, 2058602), (26, 1108478), (28, 1029301), (49, 588172), (52, 554239), (91, 316708), (98, 294086), (182, 158354), (196, 147043), (364, 79177), (637, 45244), (1274, 22622), (2548, 11311)]