28437528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 87552000

約数和(自身を除く): 59114472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 59, 76, 84, 114, 118, 133, 151, 152, 168, 177, 228, 236, 266, 302, 354, 399, 413, 453, 456, 472, 532, 604, 708, 798, 826, 906, 1057, 1064, 1121, 1208, 1239, 1416, 1596, 1652, 1812, 2114, 2242, 2478, 2869, 3171, 3192, 3304, 3363, 3624, 4228, 4484, 4956, 5738, 6342, 6726, 7847, 8456, 8607, 8909, 8968, 9912, 11476, 12684, 13452, 15694, 17214, 17818, 20083, 22952, 23541, 25368, 26727, 26904, 31388, 34428, 35636, 40166, 47082, 53454, 60249, 62363, 62776, 68856, 71272, 80332, 94164, 106908, 120498, 124726, 160664, 169271, 187089, 188328, 213816, 240996, 249452, 338542, 374178, 481992, 498904, 507813, 677084, 748356, 1015626, 1184897, 1354168, 1496712, 2031252, 2369794, 3554691, 4062504, 4739588, 7109382, 9479176, 14218764, 28437528]

約数ペア:

[(1, 28437528), (2, 14218764), (3, 9479176), (4, 7109382), (6, 4739588), (7, 4062504), (8, 3554691), (12, 2369794), (14, 2031252), (19, 1496712), (21, 1354168), (24, 1184897), (28, 1015626), (38, 748356), (42, 677084), (56, 507813), (57, 498904), (59, 481992), (76, 374178), (84, 338542), (114, 249452), (118, 240996), (133, 213816), (151, 188328), (152, 187089), (168, 169271), (177, 160664), (228, 124726), (236, 120498), (266, 106908), (302, 94164), (354, 80332), (399, 71272), (413, 68856), (453, 62776), (456, 62363), (472, 60249), (532, 53454), (604, 47082), (708, 40166), (798, 35636), (826, 34428), (906, 31388), (1057, 26904), (1064, 26727), (1121, 25368), (1208, 23541), (1239, 22952), (1416, 20083), (1596, 17818), (1652, 17214), (1812, 15694), (2114, 13452), (2242, 12684), (2478, 11476), (2869, 9912), (3171, 8968), (3192, 8909), (3304, 8607), (3363, 8456), (3624, 7847), (4228, 6726), (4484, 6342), (4956, 5738)]