213031938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 506880000

約数和(自身を除く): 293848062

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 131, 186, 217, 262, 393, 434, 651, 786, 917, 1249, 1302, 1834, 2498, 2751, 3747, 4061, 5502, 7494, 8122, 8743, 12183, 17486, 24366, 26229, 28427, 38719, 52458, 56854, 77438, 85281, 116157, 163619, 170562, 232314, 271033, 327238, 490857, 542066, 813099, 981714, 1145333, 1626198, 2290666, 3435999, 5072189, 6871998, 10144378, 15216567, 30433134, 35505323, 71010646, 106515969, 213031938]

約数ペア:

[(1, 213031938), (2, 106515969), (3, 71010646), (6, 35505323), (7, 30433134), (14, 15216567), (21, 10144378), (31, 6871998), (42, 5072189), (62, 3435999), (93, 2290666), (131, 1626198), (186, 1145333), (217, 981714), (262, 813099), (393, 542066), (434, 490857), (651, 327238), (786, 271033), (917, 232314), (1249, 170562), (1302, 163619), (1834, 116157), (2498, 85281), (2751, 77438), (3747, 56854), (4061, 52458), (5502, 38719), (7494, 28427), (8122, 26229), (8743, 24366), (12183, 17486)]