129221888

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 280600320

約数和(自身を除く): 151378432

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 857, 992, 1178, 1216, 1714, 1984, 2356, 2432, 3428, 3968, 4712, 4864, 6856, 7936, 9424, 13712, 16283, 18848, 26567, 27424, 32566, 37696, 53134, 54848, 65132, 75392, 106268, 109696, 130264, 150784, 212536, 219392, 260528, 425072, 504773, 521056, 850144, 1009546, 1042112, 1700288, 2019092, 2084224, 3400576, 4038184, 4168448, 6801152, 8076368, 16152736, 32305472, 64610944, 129221888]

約数ペア:

[(1, 129221888), (2, 64610944), (4, 32305472), (8, 16152736), (16, 8076368), (19, 6801152), (31, 4168448), (32, 4038184), (38, 3400576), (62, 2084224), (64, 2019092), (76, 1700288), (124, 1042112), (128, 1009546), (152, 850144), (248, 521056), (256, 504773), (304, 425072), (496, 260528), (589, 219392), (608, 212536), (857, 150784), (992, 130264), (1178, 109696), (1216, 106268), (1714, 75392), (1984, 65132), (2356, 54848), (2432, 53134), (3428, 37696), (3968, 32566), (4712, 27424), (4864, 26567), (6856, 18848), (7936, 16283), (9424, 13712)]