1638470646

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{1321}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 3695677440

約数和(自身を除く): 2057206794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 223, 309, 446, 618, 669, 927, 1321, 1338, 1854, 2007, 2642, 2781, 3963, 4014, 5562, 6021, 7926, 11889, 12042, 22969, 23778, 35667, 45938, 68907, 71334, 136063, 137814, 206721, 272126, 294583, 408189, 413442, 589166, 620163, 816378, 883749, 1224567, 1240326, 1767498, 2449134, 2651247, 3673701, 5302494, 7347402, 7953741, 15907482, 30342049, 60684098, 91026147, 182052294, 273078441, 546156882, 819235323, 1638470646]

約数ペア:

[(1, 1638470646), (2, 819235323), (3, 546156882), (6, 273078441), (9, 182052294), (18, 91026147), (27, 60684098), (54, 30342049), (103, 15907482), (206, 7953741), (223, 7347402), (309, 5302494), (446, 3673701), (618, 2651247), (669, 2449134), (927, 1767498), (1321, 1240326), (1338, 1224567), (1854, 883749), (2007, 816378), (2642, 620163), (2781, 589166), (3963, 413442), (4014, 408189), (5562, 294583), (6021, 272126), (7926, 206721), (11889, 137814), (12042, 136063), (22969, 71334), (23778, 68907), (35667, 45938)]