201614917721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1\times {\mathrm{776987}}^1$

素因数の和:778964

約数の個数: 16

約数和(自身を含む): 242668892160

約数和(自身を除く): 41053974439

約数列:

[1, 7, 19, 133, 1951, 13657, 37069, 259483, 776987, 5438909, 14762753, 103339271, 1515901637, 10611311459, 28802131103, 201614917721]

約数ペア:

[(1, 201614917721), (7, 28802131103), (19, 10611311459), (133, 1515901637), (1951, 103339271), (13657, 14762753), (37069, 5438909), (259483, 776987)]