1978643856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{17791}}^1$

素因数の和:18140

約数の個数: 80

約数和(自身を含む): 5859688448

約数和(自身を除く): 3881044592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 331, 336, 662, 993, 1324, 1986, 2317, 2648, 3972, 4634, 5296, 6951, 7944, 9268, 13902, 15888, 17791, 18536, 27804, 35582, 37072, 53373, 55608, 71164, 106746, 111216, 124537, 142328, 213492, 249074, 284656, 373611, 426984, 498148, 747222, 853968, 996296, 1494444, 1992592, 2988888, 5888821, 5977776, 11777642, 17666463, 23555284, 35332926, 41221747, 47110568, 70665852, 82443494, 94221136, 123665241, 141331704, 164886988, 247330482, 282663408, 329773976, 494660964, 659547952, 989321928, 1978643856]

約数ペア:

[(1, 1978643856), (2, 989321928), (3, 659547952), (4, 494660964), (6, 329773976), (7, 282663408), (8, 247330482), (12, 164886988), (14, 141331704), (16, 123665241), (21, 94221136), (24, 82443494), (28, 70665852), (42, 47110568), (48, 41221747), (56, 35332926), (84, 23555284), (112, 17666463), (168, 11777642), (331, 5977776), (336, 5888821), (662, 2988888), (993, 1992592), (1324, 1494444), (1986, 996296), (2317, 853968), (2648, 747222), (3972, 498148), (4634, 426984), (5296, 373611), (6951, 284656), (7944, 249074), (9268, 213492), (13902, 142328), (15888, 124537), (17791, 111216), (18536, 106746), (27804, 71164), (35582, 55608), (37072, 53373)]