28870270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1553}}^1$

素因数の和:1597

約数の個数: 48

約数和(自身を含む): 61426512

約数和(自身を除く): 32556242

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1553, 1690, 1859, 3106, 3718, 7765, 9295, 15530, 17083, 18590, 20189, 34166, 40378, 85415, 100945, 170830, 201890, 222079, 262457, 444158, 524914, 1110395, 1312285, 2220790, 2624570, 2887027, 5774054, 14435135, 28870270]

約数ペア:

[(1, 28870270), (2, 14435135), (5, 5774054), (10, 2887027), (11, 2624570), (13, 2220790), (22, 1312285), (26, 1110395), (55, 524914), (65, 444158), (110, 262457), (130, 222079), (143, 201890), (169, 170830), (286, 100945), (338, 85415), (715, 40378), (845, 34166), (1430, 20189), (1553, 18590), (1690, 17083), (1859, 15530), (3106, 9295), (3718, 7765)]