72456671

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 89208864

約数和(自身を除く): 16752193

約数列:

[1, 7, 19, 53, 133, 361, 371, 541, 1007, 2527, 3787, 7049, 10279, 19133, 28673, 71953, 133931, 195301, 200711, 544787, 1367107, 3813509, 10350953, 72456671]

約数ペア:

[(1, 72456671), (7, 10350953), (19, 3813509), (53, 1367107), (133, 544787), (361, 200711), (371, 195301), (541, 133931), (1007, 71953), (2527, 28673), (3787, 19133), (7049, 10279)]