65274215

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 87608664

約数和(自身を除く): 22334449

約数列:

[1, 5, 19, 29, 43, 95, 145, 215, 361, 551, 817, 841, 1247, 1805, 2755, 4085, 4205, 6235, 10469, 15523, 15979, 23693, 36163, 52345, 77615, 79895, 118465, 180815, 303601, 450167, 687097, 1518005, 2250835, 3435485, 13054843, 65274215]

約数ペア:

[(1, 65274215), (5, 13054843), (19, 3435485), (29, 2250835), (43, 1518005), (95, 687097), (145, 450167), (215, 303601), (361, 180815), (551, 118465), (817, 79895), (841, 77615), (1247, 52345), (1805, 36163), (2755, 23693), (4085, 15979), (4205, 15523), (6235, 10469)]