28031536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 63433440

約数和(自身を除く): 35401904

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 173, 208, 247, 304, 328, 346, 494, 533, 656, 692, 779, 988, 1066, 1384, 1558, 1976, 2132, 2249, 2768, 3116, 3287, 3952, 4264, 4498, 6232, 6574, 7093, 8528, 8996, 10127, 12464, 13148, 14186, 17992, 20254, 26296, 28372, 35984, 40508, 42731, 52592, 56744, 81016, 85462, 92209, 113488, 134767, 162032, 170924, 184418, 269534, 341848, 368836, 539068, 683696, 737672, 1078136, 1475344, 1751971, 2156272, 3503942, 7007884, 14015768, 28031536]

約数ペア:

[(1, 28031536), (2, 14015768), (4, 7007884), (8, 3503942), (13, 2156272), (16, 1751971), (19, 1475344), (26, 1078136), (38, 737672), (41, 683696), (52, 539068), (76, 368836), (82, 341848), (104, 269534), (152, 184418), (164, 170924), (173, 162032), (208, 134767), (247, 113488), (304, 92209), (328, 85462), (346, 81016), (494, 56744), (533, 52592), (656, 42731), (692, 40508), (779, 35984), (988, 28372), (1066, 26296), (1384, 20254), (1558, 17992), (1976, 14186), (2132, 13148), (2249, 12464), (2768, 10127), (3116, 8996), (3287, 8528), (3952, 7093), (4264, 6574), (4498, 6232)]