87790241

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2669

約数の個数: 32

約数和(自身を含む): 120268800

約数和(自身を除く): 32478559

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 2609, 3059, 4807, 18263, 28699, 33649, 49571, 60007, 200893, 346997, 420049, 545281, 660077, 1140133, 3816967, 4620539, 7980931, 12541463, 87790241]

約数ペア:

[(1, 87790241), (7, 12541463), (11, 7980931), (19, 4620539), (23, 3816967), (77, 1140133), (133, 660077), (161, 545281), (209, 420049), (253, 346997), (437, 200893), (1463, 60007), (1771, 49571), (2609, 33649), (3059, 28699), (4807, 18263)]