251983776

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 144

約数和(自身を含む): 762719328

約数和(自身を除く): 510735552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 66, 76, 88, 96, 114, 132, 152, 176, 209, 228, 264, 304, 352, 361, 418, 456, 528, 608, 627, 661, 722, 836, 912, 1056, 1083, 1254, 1322, 1444, 1672, 1824, 1983, 2166, 2508, 2644, 2888, 3344, 3966, 3971, 4332, 5016, 5288, 5776, 6688, 7271, 7932, 7942, 8664, 10032, 10576, 11552, 11913, 12559, 14542, 15864, 15884, 17328, 20064, 21152, 21813, 23826, 25118, 29084, 31728, 31768, 34656, 37677, 43626, 47652, 50236, 58168, 63456, 63536, 75354, 87252, 95304, 100472, 116336, 127072, 138149, 150708, 174504, 190608, 200944, 232672, 238621, 276298, 301416, 349008, 381216, 401888, 414447, 477242, 552596, 602832, 698016, 715863, 828894, 954484, 1105192, 1205664, 1431726, 1657788, 1908968, 2210384, 2624831, 2863452, 3315576, 3817936, 4420768, 5249662, 5726904, 6631152, 7635872, 7874493, 10499324, 11453808, 13262304, 15748986, 20998648, 22907616, 31497972, 41997296, 62995944, 83994592, 125991888, 251983776]

約数ペア:

[(1, 251983776), (2, 125991888), (3, 83994592), (4, 62995944), (6, 41997296), (8, 31497972), (11, 22907616), (12, 20998648), (16, 15748986), (19, 13262304), (22, 11453808), (24, 10499324), (32, 7874493), (33, 7635872), (38, 6631152), (44, 5726904), (48, 5249662), (57, 4420768), (66, 3817936), (76, 3315576), (88, 2863452), (96, 2624831), (114, 2210384), (132, 1908968), (152, 1657788), (176, 1431726), (209, 1205664), (228, 1105192), (264, 954484), (304, 828894), (352, 715863), (361, 698016), (418, 602832), (456, 552596), (528, 477242), (608, 414447), (627, 401888), (661, 381216), (722, 349008), (836, 301416), (912, 276298), (1056, 238621), (1083, 232672), (1254, 200944), (1322, 190608), (1444, 174504), (1672, 150708), (1824, 138149), (1983, 127072), (2166, 116336), (2508, 100472), (2644, 95304), (2888, 87252), (3344, 75354), (3966, 63536), (3971, 63456), (4332, 58168), (5016, 50236), (5288, 47652), (5776, 43626), (6688, 37677), (7271, 34656), (7932, 31768), (7942, 31728), (8664, 29084), (10032, 25118), (10576, 23826), (11552, 21813), (11913, 21152), (12559, 20064), (14542, 17328), (15864, 15884)]