64939264

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 149620800

約数和(自身を除く): 84681536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 79, 104, 128, 152, 158, 169, 208, 247, 256, 304, 316, 338, 416, 494, 608, 632, 676, 832, 988, 1027, 1216, 1264, 1352, 1501, 1664, 1976, 2054, 2432, 2528, 2704, 3002, 3211, 3328, 3952, 4108, 4864, 5056, 5408, 6004, 6422, 7904, 8216, 10112, 10816, 12008, 12844, 13351, 15808, 16432, 19513, 20224, 21632, 24016, 25688, 26702, 31616, 32864, 39026, 43264, 48032, 51376, 53404, 63232, 65728, 78052, 96064, 102752, 106808, 131456, 156104, 192128, 205504, 213616, 253669, 262912, 312208, 384256, 411008, 427232, 507338, 624416, 822016, 854464, 1014676, 1248832, 1708928, 2029352, 2497664, 3417856, 4058704, 4995328, 8117408, 16234816, 32469632, 64939264]

約数ペア:

[(1, 64939264), (2, 32469632), (4, 16234816), (8, 8117408), (13, 4995328), (16, 4058704), (19, 3417856), (26, 2497664), (32, 2029352), (38, 1708928), (52, 1248832), (64, 1014676), (76, 854464), (79, 822016), (104, 624416), (128, 507338), (152, 427232), (158, 411008), (169, 384256), (208, 312208), (247, 262912), (256, 253669), (304, 213616), (316, 205504), (338, 192128), (416, 156104), (494, 131456), (608, 106808), (632, 102752), (676, 96064), (832, 78052), (988, 65728), (1027, 63232), (1216, 53404), (1264, 51376), (1352, 48032), (1501, 43264), (1664, 39026), (1976, 32864), (2054, 31616), (2432, 26702), (2528, 25688), (2704, 24016), (3002, 21632), (3211, 20224), (3328, 19513), (3952, 16432), (4108, 15808), (4864, 13351), (5056, 12844), (5408, 12008), (6004, 10816), (6422, 10112), (7904, 8216)]