12883325

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 36

約数和(自身を含む): 20037780

約数和(自身を除く): 7154455

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 809, 1225, 2275, 3185, 4045, 5663, 10517, 15925, 20225, 28315, 39641, 52585, 73619, 141575, 198205, 262925, 368095, 515333, 991025, 1840475, 2576665, 12883325]

約数ペア:

[(1, 12883325), (5, 2576665), (7, 1840475), (13, 991025), (25, 515333), (35, 368095), (49, 262925), (65, 198205), (91, 141575), (175, 73619), (245, 52585), (325, 39641), (455, 28315), (637, 20225), (809, 15925), (1225, 10517), (2275, 5663), (3185, 4045)]