1998889732

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{74441}}^1$

素因数の和:74596

約数の個数: 36

約数和(自身を含む): 4098925404

約数和(自身を除く): 2100035672

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 3836, 6713, 13426, 26852, 74441, 148882, 297764, 521087, 1042174, 2084348, 3647609, 7295218, 10198417, 14590436, 20396834, 40793668, 71388919, 142777838, 285555676, 499722433, 999444866, 1998889732]

約数ペア:

[(1, 1998889732), (2, 999444866), (4, 499722433), (7, 285555676), (14, 142777838), (28, 71388919), (49, 40793668), (98, 20396834), (137, 14590436), (196, 10198417), (274, 7295218), (548, 3647609), (959, 2084348), (1918, 1042174), (3836, 521087), (6713, 297764), (13426, 148882), (26852, 74441)]