640147695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{16651}}^1$

素因数の和:16903

約数の個数: 32

約数和(自身を含む): 1122211584

約数和(自身を除く): 482063889

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 233, 699, 1165, 2563, 3495, 7689, 12815, 16651, 38445, 49953, 83255, 183161, 249765, 549483, 915805, 2747415, 3879683, 11639049, 19398415, 42676513, 58195245, 128029539, 213382565, 640147695]

約数ペア:

[(1, 640147695), (3, 213382565), (5, 128029539), (11, 58195245), (15, 42676513), (33, 19398415), (55, 11639049), (165, 3879683), (233, 2747415), (699, 915805), (1165, 549483), (2563, 249765), (3495, 183161), (7689, 83255), (12815, 49953), (16651, 38445)]