28317380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15559}}^1$

素因数の和:15588

約数の個数: 48

約数和(自身を含む): 73194240

約数和(自身を除く): 44876860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15559, 31118, 62236, 77795, 108913, 155590, 202267, 217826, 311180, 404534, 435652, 544565, 809068, 1011335, 1089130, 1415869, 2022670, 2178260, 2831738, 4045340, 5663476, 7079345, 14158690, 28317380]

約数ペア:

[(1, 28317380), (2, 14158690), (4, 7079345), (5, 5663476), (7, 4045340), (10, 2831738), (13, 2178260), (14, 2022670), (20, 1415869), (26, 1089130), (28, 1011335), (35, 809068), (52, 544565), (65, 435652), (70, 404534), (91, 311180), (130, 217826), (140, 202267), (182, 155590), (260, 108913), (364, 77795), (455, 62236), (910, 31118), (1820, 15559)]