399377408

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 88

約数和(自身を含む): 836355072

約数和(自身を除く): 436977664

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 83, 127, 128, 148, 166, 254, 256, 296, 332, 508, 512, 592, 664, 1016, 1024, 1184, 1328, 2032, 2368, 2656, 3071, 4064, 4699, 4736, 5312, 6142, 8128, 9398, 9472, 10541, 10624, 12284, 16256, 18796, 18944, 21082, 21248, 24568, 32512, 37592, 37888, 42164, 42496, 49136, 65024, 75184, 84328, 84992, 98272, 130048, 150368, 168656, 196544, 300736, 337312, 390017, 393088, 601472, 674624, 780034, 786176, 1202944, 1349248, 1560068, 1572352, 2405888, 2698496, 3120136, 3144704, 4811776, 5396992, 6240272, 10793984, 12480544, 24961088, 49922176, 99844352, 199688704, 399377408]

約数ペア:

[(1, 399377408), (2, 199688704), (4, 99844352), (8, 49922176), (16, 24961088), (32, 12480544), (37, 10793984), (64, 6240272), (74, 5396992), (83, 4811776), (127, 3144704), (128, 3120136), (148, 2698496), (166, 2405888), (254, 1572352), (256, 1560068), (296, 1349248), (332, 1202944), (508, 786176), (512, 780034), (592, 674624), (664, 601472), (1016, 393088), (1024, 390017), (1184, 337312), (1328, 300736), (2032, 196544), (2368, 168656), (2656, 150368), (3071, 130048), (4064, 98272), (4699, 84992), (4736, 84328), (5312, 75184), (6142, 65024), (8128, 49136), (9398, 42496), (9472, 42164), (10541, 37888), (10624, 37592), (12284, 32512), (16256, 24568), (18796, 21248), (18944, 21082)]