205978112

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:269

約数の個数: 80

約数和(自身を含む): 431034912

約数和(自身を除く): 225056800

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 83, 128, 131, 148, 166, 256, 262, 296, 332, 512, 524, 592, 664, 1048, 1184, 1328, 2096, 2368, 2656, 3071, 4192, 4736, 4847, 5312, 6142, 8384, 9472, 9694, 10624, 10873, 12284, 16768, 18944, 19388, 21248, 21746, 24568, 33536, 38776, 42496, 43492, 49136, 67072, 77552, 86984, 98272, 155104, 173968, 196544, 310208, 347936, 393088, 402301, 620416, 695872, 786176, 804602, 1240832, 1391744, 1572352, 1609204, 2481664, 2783488, 3218408, 5566976, 6436816, 12873632, 25747264, 51494528, 102989056, 205978112]

約数ペア:

[(1, 205978112), (2, 102989056), (4, 51494528), (8, 25747264), (16, 12873632), (32, 6436816), (37, 5566976), (64, 3218408), (74, 2783488), (83, 2481664), (128, 1609204), (131, 1572352), (148, 1391744), (166, 1240832), (256, 804602), (262, 786176), (296, 695872), (332, 620416), (512, 402301), (524, 393088), (592, 347936), (664, 310208), (1048, 196544), (1184, 173968), (1328, 155104), (2096, 98272), (2368, 86984), (2656, 77552), (3071, 67072), (4192, 49136), (4736, 43492), (4847, 42496), (5312, 38776), (6142, 33536), (8384, 24568), (9472, 21746), (9694, 21248), (10624, 19388), (10873, 18944), (12284, 16768)]