13870285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 20603520

約数和(自身を除く): 6733235

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1021, 1045, 1235, 2717, 5105, 11231, 13273, 13585, 19399, 56155, 66365, 96995, 146003, 213389, 252187, 730015, 1066945, 1260935, 2774057, 13870285]

約数ペア:

[(1, 13870285), (5, 2774057), (11, 1260935), (13, 1066945), (19, 730015), (55, 252187), (65, 213389), (95, 146003), (143, 96995), (209, 66365), (247, 56155), (715, 19399), (1021, 13585), (1045, 13273), (1235, 11231), (2717, 5105)]