128706304

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 276675840

約数和(自身を除く): 147969536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 188, 256, 304, 376, 563, 608, 752, 893, 1126, 1216, 1504, 1786, 2252, 2432, 3008, 3572, 4504, 4864, 6016, 7144, 9008, 10697, 12032, 14288, 18016, 21394, 26461, 28576, 36032, 42788, 52922, 57152, 72064, 85576, 105844, 114304, 144128, 171152, 211688, 228608, 342304, 423376, 502759, 684608, 846752, 1005518, 1369216, 1693504, 2011036, 2738432, 3387008, 4022072, 6774016, 8044144, 16088288, 32176576, 64353152, 128706304]

約数ペア:

[(1, 128706304), (2, 64353152), (4, 32176576), (8, 16088288), (16, 8044144), (19, 6774016), (32, 4022072), (38, 3387008), (47, 2738432), (64, 2011036), (76, 1693504), (94, 1369216), (128, 1005518), (152, 846752), (188, 684608), (256, 502759), (304, 423376), (376, 342304), (563, 228608), (608, 211688), (752, 171152), (893, 144128), (1126, 114304), (1216, 105844), (1504, 85576), (1786, 72064), (2252, 57152), (2432, 52922), (3008, 42788), (3572, 36032), (4504, 28576), (4864, 26461), (6016, 21394), (7144, 18016), (9008, 14288), (10697, 12032)]