9997156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 20490624

約数和(自身を除く): 10493468

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 263, 442, 526, 559, 731, 884, 1052, 1118, 1462, 2236, 2924, 3419, 4471, 6838, 8942, 9503, 11309, 13676, 17884, 19006, 22618, 38012, 45236, 58123, 116246, 147017, 192253, 232492, 294034, 384506, 588068, 769012, 2499289, 4998578, 9997156]

約数ペア:

[(1, 9997156), (2, 4998578), (4, 2499289), (13, 769012), (17, 588068), (26, 384506), (34, 294034), (43, 232492), (52, 192253), (68, 147017), (86, 116246), (172, 58123), (221, 45236), (263, 38012), (442, 22618), (526, 19006), (559, 17884), (731, 13676), (884, 11309), (1052, 9503), (1118, 8942), (1462, 6838), (2236, 4471), (2924, 3419)]