28727272

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9679}}^1$

素因数の和:9745

約数の個数: 32

約数和(自身を含む): 62726400

約数和(自身を除く): 33999128

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 9679, 19358, 38716, 67753, 77432, 135506, 271012, 512987, 542024, 1025974, 2051948, 3590909, 4103896, 7181818, 14363636, 28727272]

約数ペア:

[(1, 28727272), (2, 14363636), (4, 7181818), (7, 4103896), (8, 3590909), (14, 2051948), (28, 1025974), (53, 542024), (56, 512987), (106, 271012), (212, 135506), (371, 77432), (424, 67753), (742, 38716), (1484, 19358), (2968, 9679)]