218611688

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 444216960

約数和(自身を除く): 225605272

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 163, 184, 197, 296, 326, 394, 652, 788, 851, 1304, 1576, 1702, 3404, 3749, 4531, 6031, 6808, 7289, 7498, 9062, 12062, 14578, 14996, 18124, 24124, 29156, 29992, 32111, 36248, 48248, 58312, 64222, 128444, 138713, 167647, 256888, 277426, 335294, 554852, 670588, 738553, 1109704, 1188107, 1341176, 1477106, 2376214, 2954212, 4752428, 5908424, 9504856, 27326461, 54652922, 109305844, 218611688]

約数ペア:

[(1, 218611688), (2, 109305844), (4, 54652922), (8, 27326461), (23, 9504856), (37, 5908424), (46, 4752428), (74, 2954212), (92, 2376214), (148, 1477106), (163, 1341176), (184, 1188107), (197, 1109704), (296, 738553), (326, 670588), (394, 554852), (652, 335294), (788, 277426), (851, 256888), (1304, 167647), (1576, 138713), (1702, 128444), (3404, 64222), (3749, 58312), (4531, 48248), (6031, 36248), (6808, 32111), (7289, 29992), (7498, 29156), (9062, 24124), (12062, 18124), (14578, 14996)]