1265788784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{8039}}^1$

素因数の和:8817

約数の個数: 40

約数和(自身を含む): 2644934880

約数和(自身を除く): 1379146096

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 757, 1514, 3028, 6056, 8039, 9841, 12112, 16078, 19682, 32156, 39364, 64312, 78728, 104507, 128624, 157456, 209014, 418028, 836056, 1672112, 6085523, 12171046, 24342092, 48684184, 79111799, 97368368, 158223598, 316447196, 632894392, 1265788784]

約数ペア:

[(1, 1265788784), (2, 632894392), (4, 316447196), (8, 158223598), (13, 97368368), (16, 79111799), (26, 48684184), (52, 24342092), (104, 12171046), (208, 6085523), (757, 1672112), (1514, 836056), (3028, 418028), (6056, 209014), (8039, 157456), (9841, 128624), (12112, 104507), (16078, 78728), (19682, 64312), (32156, 39364)]