217871708210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{3498823}}^1$

素因数の和:3499322

約数の個数: 32

約数和(自身を含む): 423217751040

約数和(自身を除く): 205346042830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 479, 958, 2395, 4790, 6227, 12454, 31135, 62270, 3498823, 6997646, 17494115, 34988230, 45484699, 90969398, 227423495, 454846990, 1675936217, 3351872434, 8379681085, 16759362170, 21787170821, 43574341642, 108935854105, 217871708210]

約数ペア:

[(1, 217871708210), (2, 108935854105), (5, 43574341642), (10, 21787170821), (13, 16759362170), (26, 8379681085), (65, 3351872434), (130, 1675936217), (479, 454846990), (958, 227423495), (2395, 90969398), (4790, 45484699), (6227, 34988230), (12454, 17494115), (31135, 6997646), (62270, 3498823)]