291220638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{28703}}^1$

素因数の和:28816

約数の個数: 32

約数和(自身を含む): 620006400

約数和(自身を除く): 328785762

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 114, 178, 267, 534, 1691, 3382, 5073, 10146, 28703, 57406, 86109, 172218, 545357, 1090714, 1636071, 2554567, 3272142, 5109134, 7663701, 15327402, 48536773, 97073546, 145610319, 291220638]

約数ペア:

[(1, 291220638), (2, 145610319), (3, 97073546), (6, 48536773), (19, 15327402), (38, 7663701), (57, 5109134), (89, 3272142), (114, 2554567), (178, 1636071), (267, 1090714), (534, 545357), (1691, 172218), (3382, 86109), (5073, 57406), (10146, 28703)]