1287659338

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9947

約数の個数: 48

約数和(自身を含む): 2373490944

約数和(自身を除く): 1085831606

約数列:

[1, 2, 7, 14, 31, 43, 49, 62, 86, 98, 217, 301, 434, 602, 1333, 1519, 2107, 2666, 3038, 4214, 9331, 9857, 18662, 19714, 65317, 68999, 130634, 137998, 305567, 423851, 482993, 611134, 847702, 965986, 2138969, 2966957, 4277938, 5933914, 13139381, 14972783, 20768699, 26278762, 29945566, 41537398, 91975667, 183951334, 643829669, 1287659338]

約数ペア:

[(1, 1287659338), (2, 643829669), (7, 183951334), (14, 91975667), (31, 41537398), (43, 29945566), (49, 26278762), (62, 20768699), (86, 14972783), (98, 13139381), (217, 5933914), (301, 4277938), (434, 2966957), (602, 2138969), (1333, 965986), (1519, 847702), (2107, 611134), (2666, 482993), (3038, 423851), (4214, 305567), (9331, 137998), (9857, 130634), (18662, 68999), (19714, 65317)]