123445888

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 261201600

約数和(自身を除く): 137755712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 193, 263, 304, 386, 526, 608, 772, 1052, 1216, 1544, 2104, 2432, 3088, 3667, 4208, 4997, 6176, 7334, 8416, 9994, 12352, 14668, 16832, 19988, 24704, 29336, 33664, 39976, 50759, 58672, 79952, 101518, 117344, 159904, 203036, 234688, 319808, 406072, 469376, 639616, 812144, 964421, 1624288, 1928842, 3248576, 3857684, 6497152, 7715368, 15430736, 30861472, 61722944, 123445888]

約数ペア:

[(1, 123445888), (2, 61722944), (4, 30861472), (8, 15430736), (16, 7715368), (19, 6497152), (32, 3857684), (38, 3248576), (64, 1928842), (76, 1624288), (128, 964421), (152, 812144), (193, 639616), (263, 469376), (304, 406072), (386, 319808), (526, 234688), (608, 203036), (772, 159904), (1052, 117344), (1216, 101518), (1544, 79952), (2104, 58672), (2432, 50759), (3088, 39976), (3667, 33664), (4208, 29336), (4997, 24704), (6176, 19988), (7334, 16832), (8416, 14668), (9994, 12352)]