681984

素因数分解:

$2^{11}\times 3^2\times {\mathrm{37}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 2022930

約数和(自身を除く): 1340946

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 64, 72, 74, 96, 111, 128, 144, 148, 192, 222, 256, 288, 296, 333, 384, 444, 512, 576, 592, 666, 768, 888, 1024, 1152, 1184, 1332, 1536, 1776, 2048, 2304, 2368, 2664, 3072, 3552, 4608, 4736, 5328, 6144, 7104, 9216, 9472, 10656, 14208, 18432, 18944, 21312, 28416, 37888, 42624, 56832, 75776, 85248, 113664, 170496, 227328, 340992, 681984]

約数ペア:

[(1, 681984), (2, 340992), (3, 227328), (4, 170496), (6, 113664), (8, 85248), (9, 75776), (12, 56832), (16, 42624), (18, 37888), (24, 28416), (32, 21312), (36, 18944), (37, 18432), (48, 14208), (64, 10656), (72, 9472), (74, 9216), (96, 7104), (111, 6144), (128, 5328), (144, 4736), (148, 4608), (192, 3552), (222, 3072), (256, 2664), (288, 2368), (296, 2304), (333, 2048), (384, 1776), (444, 1536), (512, 1332), (576, 1184), (592, 1152), (666, 1024), (768, 888)]