68656816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 138384000

約数和(自身を除く): 69727184

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 929, 1192, 1858, 2384, 3716, 4619, 7432, 9238, 14864, 18476, 28799, 36952, 57598, 73904, 115196, 138421, 230392, 276842, 460784, 553684, 1107368, 2214736, 4291051, 8582102, 17164204, 34328408, 68656816]

約数ペア:

[(1, 68656816), (2, 34328408), (4, 17164204), (8, 8582102), (16, 4291051), (31, 2214736), (62, 1107368), (124, 553684), (149, 460784), (248, 276842), (298, 230392), (496, 138421), (596, 115196), (929, 73904), (1192, 57598), (1858, 36952), (2384, 28799), (3716, 18476), (4619, 14864), (7432, 9238)]