25685514

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 57306600

約数和(自身を除く): 31621086

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 149, 157, 183, 298, 314, 366, 447, 471, 549, 894, 942, 1098, 1341, 1413, 2682, 2826, 9089, 9577, 18178, 19154, 23393, 27267, 28731, 46786, 54534, 57462, 70179, 81801, 86193, 140358, 163602, 172386, 210537, 421074, 1426973, 2853946, 4280919, 8561838, 12842757, 25685514]

約数ペア:

[(1, 25685514), (2, 12842757), (3, 8561838), (6, 4280919), (9, 2853946), (18, 1426973), (61, 421074), (122, 210537), (149, 172386), (157, 163602), (183, 140358), (298, 86193), (314, 81801), (366, 70179), (447, 57462), (471, 54534), (549, 46786), (894, 28731), (942, 27267), (1098, 23393), (1341, 19154), (1413, 18178), (2682, 9577), (2826, 9089)]