1969903984

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{4021}}^1$

素因数の和:4553

約数の個数: 40

約数和(自身を含む): 3883096208

約数和(自身を除く): 1913192224

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 457, 536, 914, 1072, 1828, 3656, 4021, 7312, 8042, 16084, 30619, 32168, 61238, 64336, 122476, 244952, 269407, 489904, 538814, 1077628, 1837597, 2155256, 3675194, 4310512, 7350388, 14700776, 29401552, 123118999, 246237998, 492475996, 984951992, 1969903984]

約数ペア:

[(1, 1969903984), (2, 984951992), (4, 492475996), (8, 246237998), (16, 123118999), (67, 29401552), (134, 14700776), (268, 7350388), (457, 4310512), (536, 3675194), (914, 2155256), (1072, 1837597), (1828, 1077628), (3656, 538814), (4021, 489904), (7312, 269407), (8042, 244952), (16084, 122476), (30619, 64336), (32168, 61238)]