72168668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 149234400

約数和(自身を除く): 77065732

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 281, 286, 449, 562, 572, 898, 1124, 1796, 3091, 3653, 4939, 5837, 6182, 7306, 9878, 11674, 12364, 14612, 19756, 23348, 40183, 64207, 80366, 126169, 128414, 160732, 252338, 256828, 504676, 1387859, 1640197, 2775718, 3280394, 5551436, 6560788, 18042167, 36084334, 72168668]

約数ペア:

[(1, 72168668), (2, 36084334), (4, 18042167), (11, 6560788), (13, 5551436), (22, 3280394), (26, 2775718), (44, 1640197), (52, 1387859), (143, 504676), (281, 256828), (286, 252338), (449, 160732), (562, 128414), (572, 126169), (898, 80366), (1124, 64207), (1796, 40183), (3091, 23348), (3653, 19756), (4939, 14612), (5837, 12364), (6182, 11674), (7306, 9878)]