161745444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{213949}}^1$

素因数の和:213969

約数の個数: 48

約数和(自身を含む): 479248000

約数和(自身を除く): 317502556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 213949, 427898, 641847, 855796, 1283694, 1497643, 1925541, 2567388, 2995286, 3851082, 4492929, 5776623, 5990572, 7702164, 8985858, 11553246, 13478787, 17971716, 23106492, 26957574, 40436361, 53915148, 80872722, 161745444]

約数ペア:

[(1, 161745444), (2, 80872722), (3, 53915148), (4, 40436361), (6, 26957574), (7, 23106492), (9, 17971716), (12, 13478787), (14, 11553246), (18, 8985858), (21, 7702164), (27, 5990572), (28, 5776623), (36, 4492929), (42, 3851082), (54, 2995286), (63, 2567388), (84, 1925541), (108, 1497643), (126, 1283694), (189, 855796), (252, 641847), (378, 427898), (756, 213949)]