28041876

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 79035264

約数和(自身を除く): 50993388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 53, 54, 69, 71, 81, 92, 106, 108, 138, 142, 159, 162, 207, 212, 213, 276, 284, 318, 324, 414, 426, 477, 621, 636, 639, 828, 852, 954, 1219, 1242, 1278, 1431, 1633, 1863, 1908, 1917, 2438, 2484, 2556, 2862, 3266, 3657, 3726, 3763, 3834, 4293, 4876, 4899, 5724, 5751, 6532, 7314, 7452, 7526, 7668, 8586, 9798, 10971, 11289, 11502, 14628, 14697, 15052, 17172, 19596, 21942, 22578, 23004, 29394, 32913, 33867, 43884, 44091, 45156, 58788, 65826, 67734, 86549, 88182, 98739, 101601, 131652, 132273, 135468, 173098, 176364, 197478, 203202, 259647, 264546, 304803, 346196, 394956, 406404, 519294, 529092, 609606, 778941, 1038588, 1219212, 1557882, 2336823, 3115764, 4673646, 7010469, 9347292, 14020938, 28041876]

約数ペア:

[(1, 28041876), (2, 14020938), (3, 9347292), (4, 7010469), (6, 4673646), (9, 3115764), (12, 2336823), (18, 1557882), (23, 1219212), (27, 1038588), (36, 778941), (46, 609606), (53, 529092), (54, 519294), (69, 406404), (71, 394956), (81, 346196), (92, 304803), (106, 264546), (108, 259647), (138, 203202), (142, 197478), (159, 176364), (162, 173098), (207, 135468), (212, 132273), (213, 131652), (276, 101601), (284, 98739), (318, 88182), (324, 86549), (414, 67734), (426, 65826), (477, 58788), (621, 45156), (636, 44091), (639, 43884), (828, 33867), (852, 32913), (954, 29394), (1219, 23004), (1242, 22578), (1278, 21942), (1431, 19596), (1633, 17172), (1863, 15052), (1908, 14697), (1917, 14628), (2438, 11502), (2484, 11289), (2556, 10971), (2862, 9798), (3266, 8586), (3657, 7668), (3726, 7526), (3763, 7452), (3834, 7314), (4293, 6532), (4876, 5751), (4899, 5724)]