290717594

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 468374400

約数和(自身を除く): 177656806

約数列:

[1, 2, 19, 38, 71, 142, 277, 389, 554, 778, 1349, 2698, 5263, 7391, 10526, 14782, 19667, 27619, 39334, 55238, 107753, 215506, 373673, 524761, 747346, 1049522, 2047307, 4094614, 7650463, 15300926, 145358797, 290717594]

約数ペア:

[(1, 290717594), (2, 145358797), (19, 15300926), (38, 7650463), (71, 4094614), (142, 2047307), (277, 1049522), (389, 747346), (554, 524761), (778, 373673), (1349, 215506), (2698, 107753), (5263, 55238), (7391, 39334), (10526, 27619), (14782, 19667)]