128729928

素因数分解:

$2^3\times 3^1\times {\mathrm{1619}}^1\times {\mathrm{3313}}^1$

素因数の和:4941

約数の個数: 32

約数和(自身を含む): 322120800

約数和(自身を除く): 193390872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1619, 3238, 3313, 4857, 6476, 6626, 9714, 9939, 12952, 13252, 19428, 19878, 26504, 38856, 39756, 79512, 5363747, 10727494, 16091241, 21454988, 32182482, 42909976, 64364964, 128729928]

約数ペア:

[(1, 128729928), (2, 64364964), (3, 42909976), (4, 32182482), (6, 21454988), (8, 16091241), (12, 10727494), (24, 5363747), (1619, 79512), (3238, 39756), (3313, 38856), (4857, 26504), (6476, 19878), (6626, 19428), (9714, 13252), (9939, 12952)]