31918328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 70308000

約数和(自身を除く): 38389672

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 557, 754, 988, 1102, 1114, 1508, 1976, 2204, 2228, 3016, 4408, 4456, 7163, 7241, 10583, 14326, 14482, 16153, 21166, 28652, 28964, 32306, 42332, 57304, 57928, 64612, 84664, 129224, 137579, 209989, 275158, 306907, 419978, 550316, 613814, 839956, 1100632, 1227628, 1679912, 2455256, 3989791, 7979582, 15959164, 31918328]

約数ペア:

[(1, 31918328), (2, 15959164), (4, 7979582), (8, 3989791), (13, 2455256), (19, 1679912), (26, 1227628), (29, 1100632), (38, 839956), (52, 613814), (58, 550316), (76, 419978), (104, 306907), (116, 275158), (152, 209989), (232, 137579), (247, 129224), (377, 84664), (494, 64612), (551, 57928), (557, 57304), (754, 42332), (988, 32306), (1102, 28964), (1114, 28652), (1508, 21166), (1976, 16153), (2204, 14482), (2228, 14326), (3016, 10583), (4408, 7241), (4456, 7163)]