261854334

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 696848256

約数和(自身を除く): 434993922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 61, 62, 63, 93, 98, 122, 126, 147, 157, 183, 186, 217, 279, 294, 314, 366, 427, 434, 441, 471, 549, 558, 651, 854, 882, 942, 1098, 1099, 1281, 1302, 1413, 1519, 1891, 1953, 2198, 2562, 2826, 2989, 3038, 3297, 3782, 3843, 3906, 4557, 4867, 5673, 5978, 6594, 7686, 7693, 8967, 9114, 9577, 9734, 9891, 11346, 13237, 13671, 14601, 15386, 17019, 17934, 19154, 19782, 23079, 26474, 26901, 27342, 28731, 29202, 34038, 34069, 39711, 43803, 46158, 53802, 57462, 67039, 68138, 69237, 79422, 86193, 87606, 92659, 102207, 119133, 134078, 138474, 172386, 185318, 201117, 204414, 238266, 238483, 277977, 296887, 306621, 402234, 469273, 476966, 555954, 593774, 603351, 613242, 715449, 833931, 890661, 938546, 1206702, 1407819, 1430898, 1667862, 1781322, 2078209, 2146347, 2671983, 2815638, 4156418, 4223457, 4292694, 5343966, 6234627, 8446914, 12469254, 14547463, 18703881, 29094926, 37407762, 43642389, 87284778, 130927167, 261854334]

約数ペア:

[(1, 261854334), (2, 130927167), (3, 87284778), (6, 43642389), (7, 37407762), (9, 29094926), (14, 18703881), (18, 14547463), (21, 12469254), (31, 8446914), (42, 6234627), (49, 5343966), (61, 4292694), (62, 4223457), (63, 4156418), (93, 2815638), (98, 2671983), (122, 2146347), (126, 2078209), (147, 1781322), (157, 1667862), (183, 1430898), (186, 1407819), (217, 1206702), (279, 938546), (294, 890661), (314, 833931), (366, 715449), (427, 613242), (434, 603351), (441, 593774), (471, 555954), (549, 476966), (558, 469273), (651, 402234), (854, 306621), (882, 296887), (942, 277977), (1098, 238483), (1099, 238266), (1281, 204414), (1302, 201117), (1413, 185318), (1519, 172386), (1891, 138474), (1953, 134078), (2198, 119133), (2562, 102207), (2826, 92659), (2989, 87606), (3038, 86193), (3297, 79422), (3782, 69237), (3843, 68138), (3906, 67039), (4557, 57462), (4867, 53802), (5673, 46158), (5978, 43803), (6594, 39711), (7686, 34069), (7693, 34038), (8967, 29202), (9114, 28731), (9577, 27342), (9734, 26901), (9891, 26474), (11346, 23079), (13237, 19782), (13671, 19154), (14601, 17934), (15386, 17019)]