198800176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1787}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 409058640

約数和(自身を除く): 210258464

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 409, 818, 1636, 1787, 3272, 3574, 6544, 6953, 7148, 13906, 14296, 27812, 28592, 30379, 55624, 60758, 111248, 121516, 243032, 486064, 730883, 1461766, 2923532, 5847064, 11694128, 12425011, 24850022, 49700044, 99400088, 198800176]

約数ペア:

[(1, 198800176), (2, 99400088), (4, 49700044), (8, 24850022), (16, 12425011), (17, 11694128), (34, 5847064), (68, 2923532), (136, 1461766), (272, 730883), (409, 486064), (818, 243032), (1636, 121516), (1787, 111248), (3272, 60758), (3574, 55624), (6544, 30379), (6953, 28592), (7148, 27812), (13906, 14296)]