2170868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4666368

約数和(自身を除く): 2495500

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 61, 62, 82, 122, 124, 164, 217, 244, 287, 427, 434, 574, 854, 868, 1148, 1271, 1708, 1891, 2501, 2542, 3782, 5002, 5084, 7564, 8897, 10004, 13237, 17507, 17794, 26474, 35014, 35588, 52948, 70028, 77531, 155062, 310124, 542717, 1085434, 2170868]

約数ペア:

[(1, 2170868), (2, 1085434), (4, 542717), (7, 310124), (14, 155062), (28, 77531), (31, 70028), (41, 52948), (61, 35588), (62, 35014), (82, 26474), (122, 17794), (124, 17507), (164, 13237), (217, 10004), (244, 8897), (287, 7564), (427, 5084), (434, 5002), (574, 3782), (854, 2542), (868, 2501), (1148, 1891), (1271, 1708)]