12270895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 18345600

約数和(自身を除く): 6074705

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 181, 455, 745, 905, 1043, 1267, 1937, 2353, 5215, 6335, 9685, 11765, 13559, 16471, 26969, 67795, 82355, 134845, 188783, 350597, 943915, 1752985, 2454179, 12270895]

約数ペア:

[(1, 12270895), (5, 2454179), (7, 1752985), (13, 943915), (35, 350597), (65, 188783), (91, 134845), (149, 82355), (181, 67795), (455, 26969), (745, 16471), (905, 13559), (1043, 11765), (1267, 9685), (1937, 6335), (2353, 5215)]