81226548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173561}}^1$

素因数の和:173584

約数の個数: 36

約数和(自身を含む): 221117988

約数和(自身を除く): 139891440

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173561, 347122, 520683, 694244, 1041366, 1562049, 2082732, 2256293, 3124098, 4512586, 6248196, 6768879, 9025172, 13537758, 20306637, 27075516, 40613274, 81226548]

約数ペア:

[(1, 81226548), (2, 40613274), (3, 27075516), (4, 20306637), (6, 13537758), (9, 9025172), (12, 6768879), (13, 6248196), (18, 4512586), (26, 3124098), (36, 2256293), (39, 2082732), (52, 1562049), (78, 1041366), (117, 694244), (156, 520683), (234, 347122), (468, 173561)]