221477566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 358486560

約数和(自身を除く): 137008994

約数列:

[1, 2, 19, 38, 53, 106, 277, 397, 554, 794, 1007, 2014, 5263, 7543, 10526, 14681, 15086, 21041, 29362, 42082, 109969, 219938, 278939, 399779, 557878, 799558, 2089411, 4178822, 5828357, 11656714, 110738783, 221477566]

約数ペア:

[(1, 221477566), (2, 110738783), (19, 11656714), (38, 5828357), (53, 4178822), (106, 2089411), (277, 799558), (397, 557878), (554, 399779), (794, 278939), (1007, 219938), (2014, 109969), (5263, 42082), (7543, 29362), (10526, 21041), (14681, 15086)]