23178376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 26052344

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 71, 73, 86, 104, 142, 146, 172, 284, 292, 344, 559, 568, 584, 923, 949, 1118, 1846, 1898, 2236, 3053, 3139, 3692, 3796, 4472, 5183, 6106, 6278, 7384, 7592, 10366, 12212, 12556, 20732, 24424, 25112, 39689, 40807, 41464, 67379, 79378, 81614, 134758, 158756, 163228, 222869, 269516, 317512, 326456, 445738, 539032, 891476, 1782952, 2897297, 5794594, 11589188, 23178376]

約数ペア:

[(1, 23178376), (2, 11589188), (4, 5794594), (8, 2897297), (13, 1782952), (26, 891476), (43, 539032), (52, 445738), (71, 326456), (73, 317512), (86, 269516), (104, 222869), (142, 163228), (146, 158756), (172, 134758), (284, 81614), (292, 79378), (344, 67379), (559, 41464), (568, 40807), (584, 39689), (923, 25112), (949, 24424), (1118, 20732), (1846, 12556), (1898, 12212), (2236, 10366), (3053, 7592), (3139, 7384), (3692, 6278), (3796, 6106), (4472, 5183)]