81268668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173651}}^1$

素因数の和:173674

約数の個数: 36

約数和(自身を含む): 221232648

約数和(自身を除く): 139963980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173651, 347302, 520953, 694604, 1041906, 1562859, 2083812, 2257463, 3125718, 4514926, 6251436, 6772389, 9029852, 13544778, 20317167, 27089556, 40634334, 81268668]

約数ペア:

[(1, 81268668), (2, 40634334), (3, 27089556), (4, 20317167), (6, 13544778), (9, 9029852), (12, 6772389), (13, 6251436), (18, 4514926), (26, 3125718), (36, 2257463), (39, 2083812), (52, 1562859), (78, 1041906), (117, 694604), (156, 520953), (234, 347302), (468, 173651)]