81004448

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2719}}^1$

素因数の和:2762

約数の個数: 72

約数和(自身を含む): 195350400

約数和(自身を除く): 114345952

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 2719, 3724, 4256, 5438, 7448, 10876, 14896, 19033, 21752, 29792, 38066, 43504, 51661, 76132, 87008, 103322, 133231, 152264, 206644, 266462, 304528, 361627, 413288, 532924, 609056, 723254, 826576, 1065848, 1446508, 1653152, 2131696, 2531389, 2893016, 4263392, 5062778, 5786032, 10125556, 11572064, 20251112, 40502224, 81004448]

約数ペア:

[(1, 81004448), (2, 40502224), (4, 20251112), (7, 11572064), (8, 10125556), (14, 5786032), (16, 5062778), (19, 4263392), (28, 2893016), (32, 2531389), (38, 2131696), (49, 1653152), (56, 1446508), (76, 1065848), (98, 826576), (112, 723254), (133, 609056), (152, 532924), (196, 413288), (224, 361627), (266, 304528), (304, 266462), (392, 206644), (532, 152264), (608, 133231), (784, 103322), (931, 87008), (1064, 76132), (1568, 51661), (1862, 43504), (2128, 38066), (2719, 29792), (3724, 21752), (4256, 19033), (5438, 14896), (7448, 10876)]