181889152

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 64

約数和(自身を含む): 390504960

約数和(自身を除く): 208615808

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 368, 496, 713, 736, 992, 1426, 1472, 1984, 1993, 2852, 2944, 3968, 3986, 5704, 7972, 11408, 15944, 22816, 31888, 45632, 45839, 61783, 63776, 91264, 91678, 123566, 127552, 183356, 247132, 255104, 366712, 494264, 733424, 988528, 1421009, 1466848, 1977056, 2842018, 2933696, 3954112, 5684036, 5867392, 7908224, 11368072, 22736144, 45472288, 90944576, 181889152]

約数ペア:

[(1, 181889152), (2, 90944576), (4, 45472288), (8, 22736144), (16, 11368072), (23, 7908224), (31, 5867392), (32, 5684036), (46, 3954112), (62, 2933696), (64, 2842018), (92, 1977056), (124, 1466848), (128, 1421009), (184, 988528), (248, 733424), (368, 494264), (496, 366712), (713, 255104), (736, 247132), (992, 183356), (1426, 127552), (1472, 123566), (1984, 91678), (1993, 91264), (2852, 63776), (2944, 61783), (3968, 45839), (3986, 45632), (5704, 31888), (7972, 22816), (11408, 15944)]