257241152

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 112

約数和(自身を含む): 628131840

約数和(自身を除く): 370890688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 64, 76, 94, 112, 133, 152, 188, 224, 266, 304, 329, 376, 448, 532, 608, 643, 658, 752, 893, 1064, 1216, 1286, 1316, 1504, 1786, 2128, 2572, 2632, 3008, 3572, 4256, 4501, 5144, 5264, 6251, 7144, 8512, 9002, 10288, 10528, 12217, 12502, 14288, 18004, 20576, 21056, 24434, 25004, 28576, 30221, 36008, 41152, 48868, 50008, 57152, 60442, 72016, 85519, 97736, 100016, 120884, 144032, 171038, 195472, 200032, 211547, 241768, 288064, 342076, 390944, 400064, 423094, 483536, 574199, 684152, 781888, 846188, 967072, 1148398, 1368304, 1692376, 1934144, 2296796, 2736608, 3384752, 4019393, 4593592, 5473216, 6769504, 8038786, 9187184, 13539008, 16077572, 18374368, 32155144, 36748736, 64310288, 128620576, 257241152]

約数ペア:

[(1, 257241152), (2, 128620576), (4, 64310288), (7, 36748736), (8, 32155144), (14, 18374368), (16, 16077572), (19, 13539008), (28, 9187184), (32, 8038786), (38, 6769504), (47, 5473216), (56, 4593592), (64, 4019393), (76, 3384752), (94, 2736608), (112, 2296796), (133, 1934144), (152, 1692376), (188, 1368304), (224, 1148398), (266, 967072), (304, 846188), (329, 781888), (376, 684152), (448, 574199), (532, 483536), (608, 423094), (643, 400064), (658, 390944), (752, 342076), (893, 288064), (1064, 241768), (1216, 211547), (1286, 200032), (1316, 195472), (1504, 171038), (1786, 144032), (2128, 120884), (2572, 100016), (2632, 97736), (3008, 85519), (3572, 72016), (4256, 60442), (4501, 57152), (5144, 50008), (5264, 48868), (6251, 41152), (7144, 36008), (8512, 30221), (9002, 28576), (10288, 25004), (10528, 24434), (12217, 21056), (12502, 20576), (14288, 18004)]