215257890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{54773}}^1$

素因数の和:54914

約数の個数: 32

約数和(自身を含む): 520572096

約数和(自身を除く): 305314206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 54773, 109546, 164319, 273865, 328638, 547730, 821595, 1643190, 7175263, 14350526, 21525789, 35876315, 43051578, 71752630, 107628945, 215257890]

約数ペア:

[(1, 215257890), (2, 107628945), (3, 71752630), (5, 43051578), (6, 35876315), (10, 21525789), (15, 14350526), (30, 7175263), (131, 1643190), (262, 821595), (393, 547730), (655, 328638), (786, 273865), (1310, 164319), (1965, 109546), (3930, 54773)]