78825775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 119119360

約数和(自身を除く): 40293585

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 151, 157, 175, 475, 665, 755, 785, 1057, 1099, 2869, 2983, 3325, 3775, 3925, 5285, 5495, 14345, 14915, 20083, 20881, 23707, 26425, 27475, 71725, 74575, 100415, 104405, 118535, 165949, 450433, 502075, 522025, 592675, 829745, 2252165, 3153031, 4148725, 11260825, 15765155, 78825775]

約数ペア:

[(1, 78825775), (5, 15765155), (7, 11260825), (19, 4148725), (25, 3153031), (35, 2252165), (95, 829745), (133, 592675), (151, 522025), (157, 502075), (175, 450433), (475, 165949), (665, 118535), (755, 104405), (785, 100415), (1057, 74575), (1099, 71725), (2869, 27475), (2983, 26425), (3325, 23707), (3775, 20881), (3925, 20083), (5285, 14915), (5495, 14345)]