72557688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{431891}}^1$

素因数の和:431907

約数の個数: 32

約数和(自身を含む): 207308160

約数和(自身を除く): 134750472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 431891, 863782, 1295673, 1727564, 2591346, 3023237, 3455128, 5182692, 6046474, 9069711, 10365384, 12092948, 18139422, 24185896, 36278844, 72557688]

約数ペア:

[(1, 72557688), (2, 36278844), (3, 24185896), (4, 18139422), (6, 12092948), (7, 10365384), (8, 9069711), (12, 6046474), (14, 5182692), (21, 3455128), (24, 3023237), (28, 2591346), (42, 1727564), (56, 1295673), (84, 863782), (168, 431891)]