31212846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 81709056

約数和(自身を除く): 50496210

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 61, 62, 63, 93, 122, 126, 131, 183, 186, 217, 262, 279, 366, 393, 427, 434, 549, 558, 651, 786, 854, 917, 1098, 1179, 1281, 1302, 1834, 1891, 1953, 2358, 2562, 2751, 3782, 3843, 3906, 4061, 5502, 5673, 7686, 7991, 8122, 8253, 11346, 12183, 13237, 15982, 16506, 17019, 23973, 24366, 26474, 28427, 34038, 36549, 39711, 47946, 55937, 56854, 71919, 73098, 79422, 85281, 111874, 119133, 143838, 167811, 170562, 238266, 247721, 255843, 335622, 495442, 503433, 511686, 743163, 1006866, 1486326, 1734047, 2229489, 3468094, 4458978, 5202141, 10404282, 15606423, 31212846]

約数ペア:

[(1, 31212846), (2, 15606423), (3, 10404282), (6, 5202141), (7, 4458978), (9, 3468094), (14, 2229489), (18, 1734047), (21, 1486326), (31, 1006866), (42, 743163), (61, 511686), (62, 503433), (63, 495442), (93, 335622), (122, 255843), (126, 247721), (131, 238266), (183, 170562), (186, 167811), (217, 143838), (262, 119133), (279, 111874), (366, 85281), (393, 79422), (427, 73098), (434, 71919), (549, 56854), (558, 55937), (651, 47946), (786, 39711), (854, 36549), (917, 34038), (1098, 28427), (1179, 26474), (1281, 24366), (1302, 23973), (1834, 17019), (1891, 16506), (1953, 15982), (2358, 13237), (2562, 12183), (2751, 11346), (3782, 8253), (3843, 8122), (3906, 7991), (4061, 7686), (5502, 5673)]