649835144

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 1508229120

約数和(自身を除く): 858393976

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 37, 56, 62, 67, 74, 124, 134, 148, 151, 217, 248, 259, 268, 296, 302, 434, 469, 518, 536, 604, 868, 938, 1036, 1057, 1147, 1208, 1736, 1876, 2072, 2077, 2114, 2294, 2479, 3752, 4154, 4228, 4588, 4681, 4958, 5587, 8029, 8308, 8456, 9176, 9362, 9916, 10117, 11174, 14539, 16058, 16616, 17353, 18724, 19832, 20234, 22348, 29078, 32116, 32767, 34706, 37448, 39109, 40468, 44696, 58156, 64232, 65534, 69412, 70819, 76849, 78218, 80936, 116312, 131068, 138824, 141638, 153698, 156436, 173197, 262136, 283276, 307396, 312872, 313627, 346394, 374329, 537943, 566552, 614792, 627254, 692788, 748658, 1075886, 1212379, 1254508, 1385576, 1497316, 2151772, 2195389, 2424758, 2509016, 2620303, 2994632, 4303544, 4390778, 4849516, 5240606, 8781556, 9699032, 10481212, 11604199, 17563112, 20962424, 23208398, 46416796, 81229393, 92833592, 162458786, 324917572, 649835144]

約数ペア:

[(1, 649835144), (2, 324917572), (4, 162458786), (7, 92833592), (8, 81229393), (14, 46416796), (28, 23208398), (31, 20962424), (37, 17563112), (56, 11604199), (62, 10481212), (67, 9699032), (74, 8781556), (124, 5240606), (134, 4849516), (148, 4390778), (151, 4303544), (217, 2994632), (248, 2620303), (259, 2509016), (268, 2424758), (296, 2195389), (302, 2151772), (434, 1497316), (469, 1385576), (518, 1254508), (536, 1212379), (604, 1075886), (868, 748658), (938, 692788), (1036, 627254), (1057, 614792), (1147, 566552), (1208, 537943), (1736, 374329), (1876, 346394), (2072, 313627), (2077, 312872), (2114, 307396), (2294, 283276), (2479, 262136), (3752, 173197), (4154, 156436), (4228, 153698), (4588, 141638), (4681, 138824), (4958, 131068), (5587, 116312), (8029, 80936), (8308, 78218), (8456, 76849), (9176, 70819), (9362, 69412), (9916, 65534), (10117, 64232), (11174, 58156), (14539, 44696), (16058, 40468), (16616, 39109), (17353, 37448), (18724, 34706), (19832, 32767), (20234, 32116), (22348, 29078)]