17720416

素因数分解:

$2^5\times 7^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 22438304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 239, 331, 478, 662, 956, 1324, 1673, 1912, 2317, 2648, 3346, 3824, 4634, 5296, 6692, 7648, 9268, 10592, 13384, 18536, 26768, 37072, 53536, 74144, 79109, 158218, 316436, 553763, 632872, 1107526, 1265744, 2215052, 2531488, 4430104, 8860208, 17720416]

約数ペア:

[(1, 17720416), (2, 8860208), (4, 4430104), (7, 2531488), (8, 2215052), (14, 1265744), (16, 1107526), (28, 632872), (32, 553763), (56, 316436), (112, 158218), (224, 79109), (239, 74144), (331, 53536), (478, 37072), (662, 26768), (956, 18536), (1324, 13384), (1673, 10592), (1912, 9268), (2317, 7648), (2648, 6692), (3346, 5296), (3824, 4634)]