51581216

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 104727168

約数和(自身を除く): 53145952

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 311, 568, 584, 622, 1136, 1168, 1244, 2272, 2336, 2488, 4976, 5183, 9952, 10366, 20732, 22081, 22703, 41464, 44162, 45406, 82928, 88324, 90812, 165856, 176648, 181624, 353296, 363248, 706592, 726496, 1611913, 3223826, 6447652, 12895304, 25790608, 51581216]

約数ペア:

[(1, 51581216), (2, 25790608), (4, 12895304), (8, 6447652), (16, 3223826), (32, 1611913), (71, 726496), (73, 706592), (142, 363248), (146, 353296), (284, 181624), (292, 176648), (311, 165856), (568, 90812), (584, 88324), (622, 82928), (1136, 45406), (1168, 44162), (1244, 41464), (2272, 22703), (2336, 22081), (2488, 20732), (4976, 10366), (5183, 9952)]