28165896

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 86830380

約数和(自身を除く): 58664484

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 53, 61, 66, 72, 88, 99, 106, 121, 122, 132, 159, 183, 198, 212, 242, 244, 264, 318, 363, 366, 396, 424, 477, 484, 488, 549, 583, 636, 671, 726, 732, 792, 954, 968, 1089, 1098, 1166, 1272, 1342, 1452, 1464, 1749, 1908, 2013, 2178, 2196, 2332, 2684, 2904, 3233, 3498, 3816, 4026, 4356, 4392, 4664, 5247, 5368, 6039, 6413, 6466, 6996, 7381, 8052, 8712, 9699, 10494, 12078, 12826, 12932, 13992, 14762, 16104, 19239, 19398, 20988, 22143, 24156, 25652, 25864, 29097, 29524, 35563, 38478, 38796, 41976, 44286, 48312, 51304, 57717, 58194, 59048, 66429, 71126, 76956, 77592, 88572, 106689, 115434, 116388, 132858, 142252, 153912, 177144, 213378, 230868, 232776, 265716, 284504, 320067, 391193, 426756, 461736, 531432, 640134, 782386, 853512, 1173579, 1280268, 1564772, 2347158, 2560536, 3129544, 3520737, 4694316, 7041474, 9388632, 14082948, 28165896]

約数ペア:

[(1, 28165896), (2, 14082948), (3, 9388632), (4, 7041474), (6, 4694316), (8, 3520737), (9, 3129544), (11, 2560536), (12, 2347158), (18, 1564772), (22, 1280268), (24, 1173579), (33, 853512), (36, 782386), (44, 640134), (53, 531432), (61, 461736), (66, 426756), (72, 391193), (88, 320067), (99, 284504), (106, 265716), (121, 232776), (122, 230868), (132, 213378), (159, 177144), (183, 153912), (198, 142252), (212, 132858), (242, 116388), (244, 115434), (264, 106689), (318, 88572), (363, 77592), (366, 76956), (396, 71126), (424, 66429), (477, 59048), (484, 58194), (488, 57717), (549, 51304), (583, 48312), (636, 44286), (671, 41976), (726, 38796), (732, 38478), (792, 35563), (954, 29524), (968, 29097), (1089, 25864), (1098, 25652), (1166, 24156), (1272, 22143), (1342, 20988), (1452, 19398), (1464, 19239), (1749, 16104), (1908, 14762), (2013, 13992), (2178, 12932), (2196, 12826), (2332, 12078), (2684, 10494), (2904, 9699), (3233, 8712), (3498, 8052), (3816, 7381), (4026, 6996), (4356, 6466), (4392, 6413), (4664, 6039), (5247, 5368)]