20151915028

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1301467}}^1$

素因数の和:1301564

約数の個数: 36

約数和(自身を含む): 41542858560

約数和(自身を除く): 21390943532

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 15484, 1301467, 2602934, 5205868, 9110269, 18220538, 36441076, 63771883, 102815893, 127543766, 205631786, 255087532, 411263572, 719711251, 1439422502, 2878845004, 5037978757, 10075957514, 20151915028]

約数ペア:

[(1, 20151915028), (2, 10075957514), (4, 5037978757), (7, 2878845004), (14, 1439422502), (28, 719711251), (49, 411263572), (79, 255087532), (98, 205631786), (158, 127543766), (196, 102815893), (316, 63771883), (553, 36441076), (1106, 18220538), (2212, 9110269), (3871, 5205868), (7742, 2602934), (15484, 1301467)]