495389008

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 971763200

約数和(自身を除く): 476374192

約数列:

[1, 2, 4, 8, 16, 157, 199, 314, 398, 628, 796, 991, 1256, 1592, 1982, 2512, 3184, 3964, 7928, 15856, 31243, 62486, 124972, 155587, 197209, 249944, 311174, 394418, 499888, 622348, 788836, 1244696, 1577672, 2489392, 3155344, 30961813, 61923626, 123847252, 247694504, 495389008]

約数ペア:

[(1, 495389008), (2, 247694504), (4, 123847252), (8, 61923626), (16, 30961813), (157, 3155344), (199, 2489392), (314, 1577672), (398, 1244696), (628, 788836), (796, 622348), (991, 499888), (1256, 394418), (1592, 311174), (1982, 249944), (2512, 197209), (3184, 155587), (3964, 124972), (7928, 62486), (15856, 31243)]