81595648

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{18749}}^1$

素因数の和:18782

約数の個数: 36

約数和(自身を含む): 172462500

約数和(自身を除く): 90866852

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 18749, 37498, 74996, 149992, 299984, 318733, 599968, 637466, 1199936, 1274932, 2399872, 2549864, 4799744, 5099728, 10199456, 20398912, 40797824, 81595648]

約数ペア:

[(1, 81595648), (2, 40797824), (4, 20398912), (8, 10199456), (16, 5099728), (17, 4799744), (32, 2549864), (34, 2399872), (64, 1274932), (68, 1199936), (128, 637466), (136, 599968), (256, 318733), (272, 299984), (544, 149992), (1088, 74996), (2176, 37498), (4352, 18749)]