251282024

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{433}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 554547840

約数和(自身を除く): 303265816

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 241, 301, 344, 433, 482, 602, 866, 964, 1204, 1687, 1732, 1928, 2408, 3031, 3374, 3464, 6062, 6748, 10363, 12124, 13496, 18619, 20726, 24248, 37238, 41452, 72541, 74476, 82904, 104353, 130333, 145082, 148952, 208706, 260666, 290164, 417412, 521332, 580328, 730471, 834824, 1042664, 1460942, 2921884, 4487179, 5843768, 8974358, 17948716, 31410253, 35897432, 62820506, 125641012, 251282024]

約数ペア:

[(1, 251282024), (2, 125641012), (4, 62820506), (7, 35897432), (8, 31410253), (14, 17948716), (28, 8974358), (43, 5843768), (56, 4487179), (86, 2921884), (172, 1460942), (241, 1042664), (301, 834824), (344, 730471), (433, 580328), (482, 521332), (602, 417412), (866, 290164), (964, 260666), (1204, 208706), (1687, 148952), (1732, 145082), (1928, 130333), (2408, 104353), (3031, 82904), (3374, 74476), (3464, 72541), (6062, 41452), (6748, 37238), (10363, 24248), (12124, 20726), (13496, 18619)]