81461056

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 56

約数和(自身を含む): 175727360

約数和(自身を除く): 94266304

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1984, 2161, 2356, 4322, 4712, 8644, 9424, 17288, 18848, 34576, 37696, 41059, 66991, 69152, 82118, 133982, 138304, 164236, 267964, 328472, 535928, 656944, 1071856, 1272829, 1313888, 2143712, 2545658, 2627776, 4287424, 5091316, 10182632, 20365264, 40730528, 81461056]

約数ペア:

[(1, 81461056), (2, 40730528), (4, 20365264), (8, 10182632), (16, 5091316), (19, 4287424), (31, 2627776), (32, 2545658), (38, 2143712), (62, 1313888), (64, 1272829), (76, 1071856), (124, 656944), (152, 535928), (248, 328472), (304, 267964), (496, 164236), (589, 138304), (608, 133982), (992, 82118), (1178, 69152), (1216, 66991), (1984, 41059), (2161, 37696), (2356, 34576), (4322, 18848), (4712, 17288), (8644, 9424)]