28720536488

素因数分解:

$2^3\times 7^1\times {\mathrm{2671}}^1\times {\mathrm{192013}}^1$

素因数の和:194697

約数の個数: 32

約数和(自身を含む): 61567368960

約数和(自身を除く): 32846832472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2671, 5342, 10684, 18697, 21368, 37394, 74788, 149576, 192013, 384026, 768052, 1344091, 1536104, 2688182, 5376364, 10752728, 512866723, 1025733446, 2051466892, 3590067061, 4102933784, 7180134122, 14360268244, 28720536488]

約数ペア:

[(1, 28720536488), (2, 14360268244), (4, 7180134122), (7, 4102933784), (8, 3590067061), (14, 2051466892), (28, 1025733446), (56, 512866723), (2671, 10752728), (5342, 5376364), (10684, 2688182), (18697, 1536104), (21368, 1344091), (37394, 768052), (74788, 384026), (149576, 192013)]