208200632

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 438372000

約数和(自身を除く): 230171368

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 197, 323, 394, 409, 646, 788, 818, 1292, 1576, 1636, 2584, 3272, 3349, 3743, 6698, 6953, 7486, 7771, 13396, 13906, 14972, 15542, 26792, 27812, 29944, 31084, 55624, 62168, 63631, 80573, 127262, 132107, 161146, 254524, 264214, 322292, 509048, 528428, 644584, 1056856, 1369741, 1530887, 2739482, 3061774, 5478964, 6123548, 10957928, 12247096, 26025079, 52050158, 104100316, 208200632]

約数ペア:

[(1, 208200632), (2, 104100316), (4, 52050158), (8, 26025079), (17, 12247096), (19, 10957928), (34, 6123548), (38, 5478964), (68, 3061774), (76, 2739482), (136, 1530887), (152, 1369741), (197, 1056856), (323, 644584), (394, 528428), (409, 509048), (646, 322292), (788, 264214), (818, 254524), (1292, 161146), (1576, 132107), (1636, 127262), (2584, 80573), (3272, 63631), (3349, 62168), (3743, 55624), (6698, 31084), (6953, 29944), (7486, 27812), (7771, 26792), (13396, 15542), (13906, 14972)]