72128556

素因数分解:

$2^2\times 3^4\times {\mathrm{222619}}^1$

素因数の和:222635

約数の個数: 30

約数和(自身を含む): 188559140

約数和(自身を除く): 116430584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 222619, 445238, 667857, 890476, 1335714, 2003571, 2671428, 4007142, 6010713, 8014284, 12021426, 18032139, 24042852, 36064278, 72128556]

約数ペア:

[(1, 72128556), (2, 36064278), (3, 24042852), (4, 18032139), (6, 12021426), (9, 8014284), (12, 6010713), (18, 4007142), (27, 2671428), (36, 2003571), (54, 1335714), (81, 890476), (108, 667857), (162, 445238), (324, 222619)]