1988952064

素因数分解:

$2^{16}\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 136

約数和(自身を含む): 4529813760

約数和(自身を除く): 2540861696

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 89, 124, 128, 176, 178, 248, 256, 341, 352, 356, 496, 512, 682, 704, 712, 979, 992, 1024, 1364, 1408, 1424, 1958, 1984, 2048, 2728, 2759, 2816, 2848, 3916, 3968, 4096, 5456, 5518, 5632, 5696, 7832, 7936, 8192, 10912, 11036, 11264, 11392, 15664, 15872, 16384, 21824, 22072, 22528, 22784, 30349, 31328, 31744, 32768, 43648, 44144, 45056, 45568, 60698, 62656, 63488, 65536, 87296, 88288, 90112, 91136, 121396, 125312, 126976, 174592, 176576, 180224, 182272, 242792, 250624, 253952, 349184, 353152, 360448, 364544, 485584, 501248, 507904, 698368, 706304, 720896, 729088, 971168, 1002496, 1015808, 1396736, 1412608, 1458176, 1942336, 2004992, 2031616, 2793472, 2825216, 2916352, 3884672, 4009984, 5586944, 5650432, 5832704, 7769344, 8019968, 11173888, 11300864, 15538688, 16039936, 22347776, 22601728, 31077376, 32079872, 45203456, 62154752, 64159744, 90406912, 124309504, 180813824, 248619008, 497238016, 994476032, 1988952064]

約数ペア:

[(1, 1988952064), (2, 994476032), (4, 497238016), (8, 248619008), (11, 180813824), (16, 124309504), (22, 90406912), (31, 64159744), (32, 62154752), (44, 45203456), (62, 32079872), (64, 31077376), (88, 22601728), (89, 22347776), (124, 16039936), (128, 15538688), (176, 11300864), (178, 11173888), (248, 8019968), (256, 7769344), (341, 5832704), (352, 5650432), (356, 5586944), (496, 4009984), (512, 3884672), (682, 2916352), (704, 2825216), (712, 2793472), (979, 2031616), (992, 2004992), (1024, 1942336), (1364, 1458176), (1408, 1412608), (1424, 1396736), (1958, 1015808), (1984, 1002496), (2048, 971168), (2728, 729088), (2759, 720896), (2816, 706304), (2848, 698368), (3916, 507904), (3968, 501248), (4096, 485584), (5456, 364544), (5518, 360448), (5632, 353152), (5696, 349184), (7832, 253952), (7936, 250624), (8192, 242792), (10912, 182272), (11036, 180224), (11264, 176576), (11392, 174592), (15664, 126976), (15872, 125312), (16384, 121396), (21824, 91136), (22072, 90112), (22528, 88288), (22784, 87296), (30349, 65536), (31328, 63488), (31744, 62656), (32768, 60698), (43648, 45568), (44144, 45056)]