38874512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1247

約数の個数: 40

約数和(自身を含む): 80432352

約数和(自身を除く): 41557840

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 524, 1048, 1091, 2096, 2182, 2227, 4364, 4454, 8728, 8908, 17456, 17816, 18547, 35632, 37094, 74188, 142921, 148376, 285842, 296752, 571684, 1143368, 2286736, 2429657, 4859314, 9718628, 19437256, 38874512]

約数ペア:

[(1, 38874512), (2, 19437256), (4, 9718628), (8, 4859314), (16, 2429657), (17, 2286736), (34, 1143368), (68, 571684), (131, 296752), (136, 285842), (262, 148376), (272, 142921), (524, 74188), (1048, 37094), (1091, 35632), (2096, 18547), (2182, 17816), (2227, 17456), (4364, 8908), (4454, 8728)]