31383768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 91869120

約数和(自身を除く): 60485352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 61, 68, 78, 97, 102, 104, 122, 136, 156, 183, 194, 204, 221, 244, 291, 312, 366, 388, 408, 442, 488, 582, 663, 732, 776, 793, 884, 1037, 1164, 1261, 1326, 1464, 1586, 1649, 1768, 2074, 2328, 2379, 2522, 2652, 3111, 3172, 3298, 3783, 4148, 4758, 4947, 5044, 5304, 5917, 6222, 6344, 6596, 7566, 8296, 9516, 9894, 10088, 11834, 12444, 13192, 13481, 15132, 17751, 19032, 19788, 21437, 23668, 24888, 26962, 30264, 35502, 39576, 40443, 42874, 47336, 53924, 64311, 71004, 76921, 80886, 85748, 100589, 107848, 128622, 142008, 153842, 161772, 171496, 201178, 230763, 257244, 301767, 307684, 323544, 402356, 461526, 514488, 603534, 615368, 804712, 923052, 1207068, 1307657, 1846104, 2414136, 2615314, 3922971, 5230628, 7845942, 10461256, 15691884, 31383768]

約数ペア:

[(1, 31383768), (2, 15691884), (3, 10461256), (4, 7845942), (6, 5230628), (8, 3922971), (12, 2615314), (13, 2414136), (17, 1846104), (24, 1307657), (26, 1207068), (34, 923052), (39, 804712), (51, 615368), (52, 603534), (61, 514488), (68, 461526), (78, 402356), (97, 323544), (102, 307684), (104, 301767), (122, 257244), (136, 230763), (156, 201178), (183, 171496), (194, 161772), (204, 153842), (221, 142008), (244, 128622), (291, 107848), (312, 100589), (366, 85748), (388, 80886), (408, 76921), (442, 71004), (488, 64311), (582, 53924), (663, 47336), (732, 42874), (776, 40443), (793, 39576), (884, 35502), (1037, 30264), (1164, 26962), (1261, 24888), (1326, 23668), (1464, 21437), (1586, 19788), (1649, 19032), (1768, 17751), (2074, 15132), (2328, 13481), (2379, 13192), (2522, 12444), (2652, 11834), (3111, 10088), (3172, 9894), (3298, 9516), (3783, 8296), (4148, 7566), (4758, 6596), (4947, 6344), (5044, 6222), (5304, 5917)]