28011516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 75790848

約数和(自身を除く): 47779332

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 37, 39, 46, 52, 69, 74, 78, 92, 111, 138, 148, 156, 211, 222, 276, 299, 422, 444, 481, 598, 633, 844, 851, 897, 962, 1196, 1266, 1443, 1702, 1794, 1924, 2532, 2553, 2743, 2886, 3404, 3588, 4853, 5106, 5486, 5772, 7807, 8229, 9706, 10212, 10972, 11063, 14559, 15614, 16458, 19412, 22126, 23421, 29118, 31228, 32916, 33189, 44252, 46842, 58236, 63089, 66378, 93684, 101491, 126178, 132756, 179561, 189267, 202982, 252356, 304473, 359122, 378534, 405964, 538683, 608946, 718244, 757068, 1077366, 1217892, 2154732, 2334293, 4668586, 7002879, 9337172, 14005758, 28011516]

約数ペア:

[(1, 28011516), (2, 14005758), (3, 9337172), (4, 7002879), (6, 4668586), (12, 2334293), (13, 2154732), (23, 1217892), (26, 1077366), (37, 757068), (39, 718244), (46, 608946), (52, 538683), (69, 405964), (74, 378534), (78, 359122), (92, 304473), (111, 252356), (138, 202982), (148, 189267), (156, 179561), (211, 132756), (222, 126178), (276, 101491), (299, 93684), (422, 66378), (444, 63089), (481, 58236), (598, 46842), (633, 44252), (844, 33189), (851, 32916), (897, 31228), (962, 29118), (1196, 23421), (1266, 22126), (1443, 19412), (1702, 16458), (1794, 15614), (1924, 14559), (2532, 11063), (2553, 10972), (2743, 10212), (2886, 9706), (3404, 8229), (3588, 7807), (4853, 5772), (5106, 5486)]