281313994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2663}}^1$

素因数の和:2934

約数の個数: 32

約数和(自身を含む): 483356160

約数和(自身を除く): 202042166

約数列:

[1, 2, 13, 17, 26, 34, 221, 239, 442, 478, 2663, 3107, 4063, 5326, 6214, 8126, 34619, 45271, 52819, 69238, 90542, 105638, 588523, 636457, 1177046, 1272914, 8273941, 10819769, 16547882, 21639538, 140656997, 281313994]

約数ペア:

[(1, 281313994), (2, 140656997), (13, 21639538), (17, 16547882), (26, 10819769), (34, 8273941), (221, 1272914), (239, 1177046), (442, 636457), (478, 588523), (2663, 105638), (3107, 90542), (4063, 69238), (5326, 52819), (6214, 45271), (8126, 34619)]