66820516

素因数分解:

$2^2\times 7^3\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 71073884

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 343, 431, 452, 686, 791, 862, 1372, 1582, 1724, 3017, 3164, 5537, 6034, 11074, 12068, 21119, 22148, 38759, 42238, 48703, 77518, 84476, 97406, 147833, 155036, 194812, 295666, 340921, 591332, 681842, 1363684, 2386447, 4772894, 9545788, 16705129, 33410258, 66820516]

約数ペア:

[(1, 66820516), (2, 33410258), (4, 16705129), (7, 9545788), (14, 4772894), (28, 2386447), (49, 1363684), (98, 681842), (113, 591332), (196, 340921), (226, 295666), (343, 194812), (431, 155036), (452, 147833), (686, 97406), (791, 84476), (862, 77518), (1372, 48703), (1582, 42238), (1724, 38759), (3017, 22148), (3164, 21119), (5537, 12068), (6034, 11074)]