28007756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 59308032

約数和(自身を除く): 31300276

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 62, 82, 124, 164, 217, 287, 434, 574, 787, 868, 1148, 1271, 1574, 2542, 3148, 5084, 5509, 8897, 11018, 17794, 22036, 24397, 32267, 35588, 48794, 64534, 97588, 129068, 170779, 225869, 341558, 451738, 683116, 903476, 1000277, 2000554, 4001108, 7001939, 14003878, 28007756]

約数ペア:

[(1, 28007756), (2, 14003878), (4, 7001939), (7, 4001108), (14, 2000554), (28, 1000277), (31, 903476), (41, 683116), (62, 451738), (82, 341558), (124, 225869), (164, 170779), (217, 129068), (287, 97588), (434, 64534), (574, 48794), (787, 35588), (868, 32267), (1148, 24397), (1271, 22036), (1574, 17794), (2542, 11018), (3148, 8897), (5084, 5509)]