87689690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{6277}}^1$

素因数の和:6422

約数の個数: 32

約数和(自身を含む): 173574144

約数和(自身を除く): 85884454

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6277, 6985, 12554, 13970, 31385, 62770, 69047, 138094, 345235, 690470, 797179, 1594358, 3985895, 7971790, 8768969, 17537938, 43844845, 87689690]

約数ペア:

[(1, 87689690), (2, 43844845), (5, 17537938), (10, 8768969), (11, 7971790), (22, 3985895), (55, 1594358), (110, 797179), (127, 690470), (254, 345235), (635, 138094), (1270, 69047), (1397, 62770), (2794, 31385), (6277, 13970), (6985, 12554)]