391168310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 785901312

約数和(自身を除く): 394733002

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 73, 94, 130, 146, 235, 365, 470, 611, 730, 877, 949, 1222, 1754, 1898, 3055, 3431, 4385, 4745, 6110, 6862, 8770, 9490, 11401, 17155, 22802, 34310, 41219, 44603, 57005, 64021, 82438, 89206, 114010, 128042, 206095, 223015, 320105, 412190, 446030, 535847, 640210, 832273, 1071694, 1664546, 2679235, 3008987, 4161365, 5358470, 6017974, 8322730, 15044935, 30089870, 39116831, 78233662, 195584155, 391168310]

約数ペア:

[(1, 391168310), (2, 195584155), (5, 78233662), (10, 39116831), (13, 30089870), (26, 15044935), (47, 8322730), (65, 6017974), (73, 5358470), (94, 4161365), (130, 3008987), (146, 2679235), (235, 1664546), (365, 1071694), (470, 832273), (611, 640210), (730, 535847), (877, 446030), (949, 412190), (1222, 320105), (1754, 223015), (1898, 206095), (3055, 128042), (3431, 114010), (4385, 89206), (4745, 82438), (6110, 64021), (6862, 57005), (8770, 44603), (9490, 41219), (11401, 34310), (17155, 22802)]