128023924

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1867}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 267796480

約数和(自身を除く): 139772556

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 1867, 2212, 2449, 3734, 4898, 7468, 9796, 13069, 17143, 26138, 34286, 52276, 57877, 68572, 115754, 147493, 231508, 294986, 405139, 589972, 810278, 1032451, 1620556, 2064902, 4129804, 4572283, 9144566, 18289132, 32005981, 64011962, 128023924]

約数ペア:

[(1, 128023924), (2, 64011962), (4, 32005981), (7, 18289132), (14, 9144566), (28, 4572283), (31, 4129804), (62, 2064902), (79, 1620556), (124, 1032451), (158, 810278), (217, 589972), (316, 405139), (434, 294986), (553, 231508), (868, 147493), (1106, 115754), (1867, 68572), (2212, 57877), (2449, 52276), (3734, 34286), (4898, 26138), (7468, 17143), (9796, 13069)]