81306370

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 149410800

約数和(自身を除く): 68104430

約数列:

[1, 2, 5, 10, 97, 109, 194, 218, 485, 545, 769, 970, 1090, 1538, 3845, 7690, 10573, 21146, 52865, 74593, 83821, 105730, 149186, 167642, 372965, 419105, 745930, 838210, 8130637, 16261274, 40653185, 81306370]

約数ペア:

[(1, 81306370), (2, 40653185), (5, 16261274), (10, 8130637), (97, 838210), (109, 745930), (194, 419105), (218, 372965), (485, 167642), (545, 149186), (769, 105730), (970, 83821), (1090, 74593), (1538, 52865), (3845, 21146), (7690, 10573)]