398974105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 516672000

約数和(自身を除く): 117697895

約数列:

[1, 5, 17, 85, 103, 199, 229, 515, 995, 1145, 1751, 3383, 3893, 8755, 16915, 19465, 20497, 23587, 45571, 102485, 117935, 227855, 348449, 400979, 774707, 1742245, 2004895, 3873535, 4693813, 23469065, 79794821, 398974105]

約数ペア:

[(1, 398974105), (5, 79794821), (17, 23469065), (85, 4693813), (103, 3873535), (199, 2004895), (229, 1742245), (515, 774707), (995, 400979), (1145, 348449), (1751, 227855), (3383, 117935), (3893, 102485), (8755, 45571), (16915, 23587), (19465, 20497)]