81626590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 152966880

約数和(自身を除く): 71340290

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 865, 1627, 1730, 3254, 5017, 8135, 10034, 16270, 25085, 47183, 50170, 94366, 235915, 281471, 471830, 562942, 1407355, 2814710, 8162659, 16325318, 40813295, 81626590]

約数ペア:

[(1, 81626590), (2, 40813295), (5, 16325318), (10, 8162659), (29, 2814710), (58, 1407355), (145, 562942), (173, 471830), (290, 281471), (346, 235915), (865, 94366), (1627, 50170), (1730, 47183), (3254, 25085), (5017, 16270), (8135, 10034)]