81558148

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 54

約数和(自身を含む): 171953838

約数和(自身を除く): 90395690

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 433, 434, 866, 868, 961, 1519, 1732, 1922, 3031, 3038, 3844, 6062, 6076, 6727, 12124, 13423, 13454, 21217, 26846, 26908, 42434, 47089, 53692, 84868, 93961, 94178, 187922, 188356, 375844, 416113, 657727, 832226, 1315454, 1664452, 2630908, 2912791, 5825582, 11651164, 20389537, 40779074, 81558148]

約数ペア:

[(1, 81558148), (2, 40779074), (4, 20389537), (7, 11651164), (14, 5825582), (28, 2912791), (31, 2630908), (49, 1664452), (62, 1315454), (98, 832226), (124, 657727), (196, 416113), (217, 375844), (433, 188356), (434, 187922), (866, 94178), (868, 93961), (961, 84868), (1519, 53692), (1732, 47089), (1922, 42434), (3031, 26908), (3038, 26846), (3844, 21217), (6062, 13454), (6076, 13423), (6727, 12124)]