28253718

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 65664000

約数和(自身を除く): 37410282

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 79, 111, 158, 179, 222, 237, 333, 358, 474, 537, 666, 711, 999, 1074, 1422, 1611, 1998, 2133, 2923, 3222, 4266, 4833, 5846, 6623, 8769, 9666, 13246, 14141, 17538, 19869, 26307, 28282, 39738, 42423, 52614, 59607, 78921, 84846, 119214, 127269, 157842, 178821, 254538, 357642, 381807, 523217, 763614, 1046434, 1569651, 3139302, 4708953, 9417906, 14126859, 28253718]

約数ペア:

[(1, 28253718), (2, 14126859), (3, 9417906), (6, 4708953), (9, 3139302), (18, 1569651), (27, 1046434), (37, 763614), (54, 523217), (74, 381807), (79, 357642), (111, 254538), (158, 178821), (179, 157842), (222, 127269), (237, 119214), (333, 84846), (358, 78921), (474, 59607), (537, 52614), (666, 42423), (711, 39738), (999, 28282), (1074, 26307), (1422, 19869), (1611, 17538), (1998, 14141), (2133, 13246), (2923, 9666), (3222, 8769), (4266, 6623), (4833, 5846)]