1781028

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 4878720

約数和(自身を除く): 3097692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 239, 276, 324, 414, 478, 621, 717, 828, 956, 1242, 1434, 1863, 2151, 2484, 2868, 3726, 4302, 5497, 6453, 7452, 8604, 10994, 12906, 16491, 19359, 21988, 25812, 32982, 38718, 49473, 65964, 77436, 98946, 148419, 197892, 296838, 445257, 593676, 890514, 1781028]

約数ペア:

[(1, 1781028), (2, 890514), (3, 593676), (4, 445257), (6, 296838), (9, 197892), (12, 148419), (18, 98946), (23, 77436), (27, 65964), (36, 49473), (46, 38718), (54, 32982), (69, 25812), (81, 21988), (92, 19359), (108, 16491), (138, 12906), (162, 10994), (207, 8604), (239, 7452), (276, 6453), (324, 5497), (414, 4302), (478, 3726), (621, 2868), (717, 2484), (828, 2151), (956, 1863), (1242, 1434)]