31993276

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 69866496

約数和(自身を除く): 37873220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 49, 92, 94, 98, 151, 161, 188, 196, 302, 322, 329, 604, 644, 658, 1057, 1081, 1127, 1316, 2114, 2162, 2254, 2303, 3473, 4228, 4324, 4508, 4606, 6946, 7097, 7399, 7567, 9212, 13892, 14194, 14798, 15134, 24311, 28388, 29596, 30268, 48622, 49679, 52969, 97244, 99358, 105938, 163231, 170177, 198716, 211876, 326462, 340354, 347753, 652924, 680708, 695506, 1142617, 1391012, 2285234, 4570468, 7998319, 15996638, 31993276]

約数ペア:

[(1, 31993276), (2, 15996638), (4, 7998319), (7, 4570468), (14, 2285234), (23, 1391012), (28, 1142617), (46, 695506), (47, 680708), (49, 652924), (92, 347753), (94, 340354), (98, 326462), (151, 211876), (161, 198716), (188, 170177), (196, 163231), (302, 105938), (322, 99358), (329, 97244), (604, 52969), (644, 49679), (658, 48622), (1057, 30268), (1081, 29596), (1127, 28388), (1316, 24311), (2114, 15134), (2162, 14798), (2254, 14194), (2303, 13892), (3473, 9212), (4228, 7567), (4324, 7399), (4508, 7097), (4606, 6946)]