31289292

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 86958144

約数和(自身を除く): 55668852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 53, 62, 69, 92, 93, 106, 124, 138, 159, 186, 207, 212, 276, 279, 318, 372, 414, 477, 529, 558, 636, 713, 828, 954, 1058, 1116, 1219, 1426, 1587, 1643, 1908, 2116, 2139, 2438, 2852, 3174, 3286, 3657, 4278, 4761, 4876, 4929, 6348, 6417, 6572, 7314, 8556, 9522, 9858, 10971, 12834, 14628, 14787, 16399, 19044, 19716, 21942, 25668, 28037, 29574, 32798, 37789, 43884, 49197, 56074, 59148, 65596, 75578, 84111, 98394, 112148, 113367, 147591, 151156, 168222, 196788, 226734, 252333, 295182, 336444, 340101, 453468, 504666, 590364, 680202, 869147, 1009332, 1360404, 1738294, 2607441, 3476588, 5214882, 7822323, 10429764, 15644646, 31289292]

約数ペア:

[(1, 31289292), (2, 15644646), (3, 10429764), (4, 7822323), (6, 5214882), (9, 3476588), (12, 2607441), (18, 1738294), (23, 1360404), (31, 1009332), (36, 869147), (46, 680202), (53, 590364), (62, 504666), (69, 453468), (92, 340101), (93, 336444), (106, 295182), (124, 252333), (138, 226734), (159, 196788), (186, 168222), (207, 151156), (212, 147591), (276, 113367), (279, 112148), (318, 98394), (372, 84111), (414, 75578), (477, 65596), (529, 59148), (558, 56074), (636, 49197), (713, 43884), (828, 37789), (954, 32798), (1058, 29574), (1116, 28037), (1219, 25668), (1426, 21942), (1587, 19716), (1643, 19044), (1908, 16399), (2116, 14787), (2139, 14628), (2438, 12834), (2852, 10971), (3174, 9858), (3286, 9522), (3657, 8556), (4278, 7314), (4761, 6572), (4876, 6417), (4929, 6348)]