81304192

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 172706400

約数和(自身を除く): 91402208

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 101, 128, 152, 202, 304, 331, 404, 608, 662, 808, 1216, 1324, 1616, 1919, 2432, 2648, 3232, 3838, 5296, 6289, 6464, 7676, 10592, 12578, 12928, 15352, 21184, 25156, 30704, 33431, 42368, 50312, 61408, 66862, 100624, 122816, 133724, 201248, 245632, 267448, 402496, 534896, 635189, 804992, 1069792, 1270378, 2139584, 2540756, 4279168, 5081512, 10163024, 20326048, 40652096, 81304192]

約数ペア:

[(1, 81304192), (2, 40652096), (4, 20326048), (8, 10163024), (16, 5081512), (19, 4279168), (32, 2540756), (38, 2139584), (64, 1270378), (76, 1069792), (101, 804992), (128, 635189), (152, 534896), (202, 402496), (304, 267448), (331, 245632), (404, 201248), (608, 133724), (662, 122816), (808, 100624), (1216, 66862), (1324, 61408), (1616, 50312), (1919, 42368), (2432, 33431), (2648, 30704), (3232, 25156), (3838, 21184), (5296, 15352), (6289, 12928), (6464, 12578), (7676, 10592)]