81547696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 95226704

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 107, 109, 152, 184, 214, 218, 304, 368, 428, 436, 437, 856, 872, 874, 1712, 1744, 1748, 2033, 2071, 2461, 2507, 3496, 4066, 4142, 4922, 5014, 6992, 8132, 8284, 9844, 10028, 11663, 16264, 16568, 19688, 20056, 23326, 32528, 33136, 39376, 40112, 46652, 46759, 47633, 93304, 93518, 95266, 186608, 187036, 190532, 221597, 268249, 374072, 381064, 443194, 536498, 748144, 762128, 886388, 1072996, 1772776, 2145992, 3545552, 4291984, 5096731, 10193462, 20386924, 40773848, 81547696]

約数ペア:

[(1, 81547696), (2, 40773848), (4, 20386924), (8, 10193462), (16, 5096731), (19, 4291984), (23, 3545552), (38, 2145992), (46, 1772776), (76, 1072996), (92, 886388), (107, 762128), (109, 748144), (152, 536498), (184, 443194), (214, 381064), (218, 374072), (304, 268249), (368, 221597), (428, 190532), (436, 187036), (437, 186608), (856, 95266), (872, 93518), (874, 93304), (1712, 47633), (1744, 46759), (1748, 46652), (2033, 40112), (2071, 39376), (2461, 33136), (2507, 32528), (3496, 23326), (4066, 20056), (4142, 19688), (4922, 16568), (5014, 16264), (6992, 11663), (8132, 10028), (8284, 9844)]