1621672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 3386880

約数和(自身を除く): 1765208

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 503, 806, 1006, 1612, 2012, 3224, 4024, 6539, 13078, 15593, 26156, 31186, 52312, 62372, 124744, 202709, 405418, 810836, 1621672]

約数ペア:

[(1, 1621672), (2, 810836), (4, 405418), (8, 202709), (13, 124744), (26, 62372), (31, 52312), (52, 31186), (62, 26156), (104, 15593), (124, 13078), (248, 6539), (403, 4024), (503, 3224), (806, 2012), (1006, 1612)]