28015136

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 57280608

約数和(自身を除く): 29265472

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 131, 163, 164, 262, 326, 328, 524, 652, 656, 1048, 1304, 1312, 2096, 2608, 4192, 5216, 5371, 6683, 10742, 13366, 21353, 21484, 26732, 42706, 42968, 53464, 85412, 85936, 106928, 170824, 171872, 213856, 341648, 683296, 875473, 1750946, 3501892, 7003784, 14007568, 28015136]

約数ペア:

[(1, 28015136), (2, 14007568), (4, 7003784), (8, 3501892), (16, 1750946), (32, 875473), (41, 683296), (82, 341648), (131, 213856), (163, 171872), (164, 170824), (262, 106928), (326, 85936), (328, 85412), (524, 53464), (652, 42968), (656, 42706), (1048, 26732), (1304, 21484), (1312, 21353), (2096, 13366), (2608, 10742), (4192, 6683), (5216, 5371)]