81320456

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3323}}^1$

素因数の和:3378

約数の個数: 64

約数和(自身を含む): 191462400

約数和(自身を除く): 110141944

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 874, 1064, 1288, 1748, 3059, 3323, 3496, 6118, 6646, 12236, 13292, 23261, 24472, 26584, 46522, 63137, 76429, 93044, 126274, 152858, 186088, 252548, 305716, 441959, 505096, 535003, 611432, 883918, 1070006, 1452151, 1767836, 2140012, 2904302, 3535672, 4280024, 5808604, 10165057, 11617208, 20330114, 40660228, 81320456]

約数ペア:

[(1, 81320456), (2, 40660228), (4, 20330114), (7, 11617208), (8, 10165057), (14, 5808604), (19, 4280024), (23, 3535672), (28, 2904302), (38, 2140012), (46, 1767836), (56, 1452151), (76, 1070006), (92, 883918), (133, 611432), (152, 535003), (161, 505096), (184, 441959), (266, 305716), (322, 252548), (437, 186088), (532, 152858), (644, 126274), (874, 93044), (1064, 76429), (1288, 63137), (1748, 46522), (3059, 26584), (3323, 24472), (3496, 23261), (6118, 13292), (6646, 12236)]