213991946

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{25951}}^1$

素因数の和:26010

約数の個数: 32

約数和(自身を含む): 398622720

約数和(自身を除く): 184630774

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 25951, 51902, 181657, 363314, 493069, 804481, 986138, 1608962, 3451483, 5631367, 6902966, 11262734, 15285139, 30570278, 106995973, 213991946]

約数ペア:

[(1, 213991946), (2, 106995973), (7, 30570278), (14, 15285139), (19, 11262734), (31, 6902966), (38, 5631367), (62, 3451483), (133, 1608962), (217, 986138), (266, 804481), (434, 493069), (589, 363314), (1178, 181657), (4123, 51902), (8246, 25951)]