261506308

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{11689}}^1$

素因数の和:11764

約数の個数: 48

約数和(自身を含む): 565608960

約数和(自身を除く): 304102652

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 1316, 1598, 3196, 5593, 11186, 11689, 22372, 23378, 46756, 81823, 163646, 198713, 327292, 397426, 549383, 794852, 1098766, 1390991, 2197532, 2781982, 3845681, 5563964, 7691362, 9339511, 15382724, 18679022, 37358044, 65376577, 130753154, 261506308]

約数ペア:

[(1, 261506308), (2, 130753154), (4, 65376577), (7, 37358044), (14, 18679022), (17, 15382724), (28, 9339511), (34, 7691362), (47, 5563964), (68, 3845681), (94, 2781982), (119, 2197532), (188, 1390991), (238, 1098766), (329, 794852), (476, 549383), (658, 397426), (799, 327292), (1316, 198713), (1598, 163646), (3196, 81823), (5593, 46756), (11186, 23378), (11689, 22372)]