90131038

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 144865728

約数和(自身を除く): 54734690

約数列:

[1, 2, 37, 41, 61, 74, 82, 122, 487, 974, 1517, 2257, 2501, 3034, 4514, 5002, 18019, 19967, 29707, 36038, 39934, 59414, 92537, 185074, 738779, 1099159, 1217987, 1477558, 2198318, 2435974, 45065519, 90131038]

約数ペア:

[(1, 90131038), (2, 45065519), (37, 2435974), (41, 2198318), (61, 1477558), (74, 1217987), (82, 1099159), (122, 738779), (487, 185074), (974, 92537), (1517, 59414), (2257, 39934), (2501, 36038), (3034, 29707), (4514, 19967), (5002, 18019)]