309227152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{20939}}^1$

素因数の和:21031

約数の個数: 40

約数和(自身を含む): 654333120

約数和(自身を除く): 345105968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 20939, 41878, 83756, 167512, 272207, 335024, 544414, 1088828, 1486669, 2177656, 2973338, 4355312, 5946676, 11893352, 19326697, 23786704, 38653394, 77306788, 154613576, 309227152]

約数ペア:

[(1, 309227152), (2, 154613576), (4, 77306788), (8, 38653394), (13, 23786704), (16, 19326697), (26, 11893352), (52, 5946676), (71, 4355312), (104, 2973338), (142, 2177656), (208, 1486669), (284, 1088828), (568, 544414), (923, 335024), (1136, 272207), (1846, 167512), (3692, 83756), (7384, 41878), (14768, 20939)]