28669025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 45318528

約数和(自身を除く): 16649503

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 175, 265, 275, 281, 371, 385, 583, 1325, 1405, 1855, 1925, 1967, 2915, 3091, 4081, 7025, 9275, 9835, 14575, 14893, 15455, 20405, 21637, 49175, 74465, 77275, 102025, 104251, 108185, 163823, 372325, 521255, 540925, 819115, 1146761, 2606275, 4095575, 5733805, 28669025]

約数ペア:

[(1, 28669025), (5, 5733805), (7, 4095575), (11, 2606275), (25, 1146761), (35, 819115), (53, 540925), (55, 521255), (77, 372325), (175, 163823), (265, 108185), (275, 104251), (281, 102025), (371, 77275), (385, 74465), (583, 49175), (1325, 21637), (1405, 20405), (1855, 15455), (1925, 14893), (1967, 14575), (2915, 9835), (3091, 9275), (4081, 7025)]