31921884

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 88058880

約数和(自身を除く): 56136996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 71, 92, 108, 138, 142, 181, 207, 213, 276, 284, 362, 414, 426, 543, 621, 639, 724, 828, 852, 1086, 1242, 1278, 1629, 1633, 1917, 2172, 2484, 2556, 3258, 3266, 3834, 4163, 4887, 4899, 6516, 6532, 7668, 8326, 9774, 9798, 12489, 12851, 14697, 16652, 19548, 19596, 24978, 25702, 29394, 37467, 38553, 44091, 49956, 51404, 58788, 74934, 77106, 88182, 112401, 115659, 149868, 154212, 176364, 224802, 231318, 295573, 346977, 449604, 462636, 591146, 693954, 886719, 1182292, 1387908, 1773438, 2660157, 3546876, 5320314, 7980471, 10640628, 15960942, 31921884]

約数ペア:

[(1, 31921884), (2, 15960942), (3, 10640628), (4, 7980471), (6, 5320314), (9, 3546876), (12, 2660157), (18, 1773438), (23, 1387908), (27, 1182292), (36, 886719), (46, 693954), (54, 591146), (69, 462636), (71, 449604), (92, 346977), (108, 295573), (138, 231318), (142, 224802), (181, 176364), (207, 154212), (213, 149868), (276, 115659), (284, 112401), (362, 88182), (414, 77106), (426, 74934), (543, 58788), (621, 51404), (639, 49956), (724, 44091), (828, 38553), (852, 37467), (1086, 29394), (1242, 25702), (1278, 24978), (1629, 19596), (1633, 19548), (1917, 16652), (2172, 14697), (2484, 12851), (2556, 12489), (3258, 9798), (3266, 9774), (3834, 8326), (4163, 7668), (4887, 6532), (4899, 6516)]