2131571036

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 4526268768

約数和(自身を除く): 2394697732

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 961, 1036, 1147, 1922, 2141, 2294, 3844, 4282, 4588, 6727, 8029, 8564, 13454, 14987, 16058, 26908, 29974, 32116, 35557, 59948, 66371, 71114, 79217, 132742, 142228, 158434, 248899, 265484, 316868, 464597, 497798, 554519, 929194, 995596, 1109038, 1858388, 2057501, 2218076, 2455727, 4115002, 4911454, 8230004, 9822908, 14402507, 17190089, 28805014, 34380178, 57610028, 68760356, 76127537, 152255074, 304510148, 532892759, 1065785518, 2131571036]

約数ペア:

[(1, 2131571036), (2, 1065785518), (4, 532892759), (7, 304510148), (14, 152255074), (28, 76127537), (31, 68760356), (37, 57610028), (62, 34380178), (74, 28805014), (124, 17190089), (148, 14402507), (217, 9822908), (259, 8230004), (434, 4911454), (518, 4115002), (868, 2455727), (961, 2218076), (1036, 2057501), (1147, 1858388), (1922, 1109038), (2141, 995596), (2294, 929194), (3844, 554519), (4282, 497798), (4588, 464597), (6727, 316868), (8029, 265484), (8564, 248899), (13454, 158434), (14987, 142228), (16058, 132742), (26908, 79217), (29974, 71114), (32116, 66371), (35557, 59948)]