64145488

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1996

約数の個数: 60

約数和(自身を含む): 144717300

約数和(自身を除く): 80571812

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 484, 748, 968, 1496, 1936, 1949, 2057, 2992, 3898, 4114, 7796, 8228, 15592, 16456, 21439, 31184, 32912, 33133, 42878, 66266, 85756, 132532, 171512, 235829, 265064, 343024, 364463, 471658, 530128, 728926, 943316, 1457852, 1886632, 2915704, 3773264, 4009093, 5831408, 8018186, 16036372, 32072744, 64145488]

約数ペア:

[(1, 64145488), (2, 32072744), (4, 16036372), (8, 8018186), (11, 5831408), (16, 4009093), (17, 3773264), (22, 2915704), (34, 1886632), (44, 1457852), (68, 943316), (88, 728926), (121, 530128), (136, 471658), (176, 364463), (187, 343024), (242, 265064), (272, 235829), (374, 171512), (484, 132532), (748, 85756), (968, 66266), (1496, 42878), (1936, 33133), (1949, 32912), (2057, 31184), (2992, 21439), (3898, 16456), (4114, 15592), (7796, 8228)]