28649504

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 61792920

約数和(自身を除く): 33143416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1129, 1586, 1952, 2258, 3172, 4516, 6344, 9032, 12688, 14677, 18064, 25376, 29354, 36128, 58708, 68869, 117416, 137738, 234832, 275476, 469664, 550952, 895297, 1101904, 1790594, 2203808, 3581188, 7162376, 14324752, 28649504]

約数ペア:

[(1, 28649504), (2, 14324752), (4, 7162376), (8, 3581188), (13, 2203808), (16, 1790594), (26, 1101904), (32, 895297), (52, 550952), (61, 469664), (104, 275476), (122, 234832), (208, 137738), (244, 117416), (416, 68869), (488, 58708), (793, 36128), (976, 29354), (1129, 25376), (1586, 18064), (1952, 14677), (2258, 12688), (3172, 9032), (4516, 6344)]