690864016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73309}}^1$

素因数の和:73367

約数の個数: 40

約数和(自身を含む): 1454470400

約数和(自身を除く): 763606384

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 73309, 146618, 293236, 586472, 1172944, 1392871, 2272579, 2785742, 4545158, 5571484, 9090316, 11142968, 18180632, 22285936, 36361264, 43179001, 86358002, 172716004, 345432008, 690864016]

約数ペア:

[(1, 690864016), (2, 345432008), (4, 172716004), (8, 86358002), (16, 43179001), (19, 36361264), (31, 22285936), (38, 18180632), (62, 11142968), (76, 9090316), (124, 5571484), (152, 4545158), (248, 2785742), (304, 2272579), (496, 1392871), (589, 1172944), (1178, 586472), (2356, 293236), (4712, 146618), (9424, 73309)]