81426744

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{161561}}^1$

素因数の和:161580

約数の個数: 48

約数和(自身を含む): 252036720

約数和(自身を除く): 170609976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 161561, 323122, 484683, 646244, 969366, 1130927, 1292488, 1454049, 1938732, 2261854, 2908098, 3392781, 3877464, 4523708, 5816196, 6785562, 9047416, 10178343, 11632392, 13571124, 20356686, 27142248, 40713372, 81426744]

約数ペア:

[(1, 81426744), (2, 40713372), (3, 27142248), (4, 20356686), (6, 13571124), (7, 11632392), (8, 10178343), (9, 9047416), (12, 6785562), (14, 5816196), (18, 4523708), (21, 3877464), (24, 3392781), (28, 2908098), (36, 2261854), (42, 1938732), (56, 1454049), (63, 1292488), (72, 1130927), (84, 969366), (126, 646244), (168, 484683), (252, 323122), (504, 161561)]