77747908

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4457}}^1$

素因数の和:4564

約数の個数: 36

約数和(自身を含む): 160086780

約数和(自身を除く): 82338872

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 4457, 8722, 8914, 17444, 17828, 31199, 62398, 124796, 218393, 396673, 436786, 793346, 873572, 1586692, 2776711, 5553422, 11106844, 19436977, 38873954, 77747908]

約数ペア:

[(1, 77747908), (2, 38873954), (4, 19436977), (7, 11106844), (14, 5553422), (28, 2776711), (49, 1586692), (89, 873572), (98, 793346), (178, 436786), (196, 396673), (356, 218393), (623, 124796), (1246, 62398), (2492, 31199), (4361, 17828), (4457, 17444), (8722, 8914)]