42172984

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 95385600

約数和(自身を除く): 53212616

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 137, 161, 184, 239, 274, 322, 478, 548, 644, 956, 959, 1096, 1288, 1673, 1912, 1918, 3151, 3346, 3836, 5497, 6302, 6692, 7672, 10994, 12604, 13384, 21988, 22057, 25208, 32743, 38479, 43976, 44114, 65486, 76958, 88228, 130972, 153916, 176456, 229201, 261944, 307832, 458402, 753089, 916804, 1506178, 1833608, 3012356, 5271623, 6024712, 10543246, 21086492, 42172984]

約数ペア:

[(1, 42172984), (2, 21086492), (4, 10543246), (7, 6024712), (8, 5271623), (14, 3012356), (23, 1833608), (28, 1506178), (46, 916804), (56, 753089), (92, 458402), (137, 307832), (161, 261944), (184, 229201), (239, 176456), (274, 153916), (322, 130972), (478, 88228), (548, 76958), (644, 65486), (956, 44114), (959, 43976), (1096, 38479), (1288, 32743), (1673, 25208), (1912, 22057), (1918, 21988), (3151, 13384), (3346, 12604), (3836, 10994), (5497, 7672), (6302, 6692)]