206839178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 399313152

約数和(自身を除く): 192473974

約数列:

[1, 2, 7, 13, 14, 26, 41, 53, 82, 91, 106, 182, 287, 371, 523, 533, 574, 689, 742, 1046, 1066, 1378, 2173, 3661, 3731, 4346, 4823, 6799, 7322, 7462, 9646, 13598, 15211, 21443, 27719, 28249, 30422, 42886, 47593, 55438, 56498, 95186, 150101, 194033, 197743, 278759, 300202, 360347, 388066, 395486, 557518, 720694, 1136479, 1951313, 2272958, 2522429, 3902626, 5044858, 7955353, 14774227, 15910706, 29548454, 103419589, 206839178]

約数ペア:

[(1, 206839178), (2, 103419589), (7, 29548454), (13, 15910706), (14, 14774227), (26, 7955353), (41, 5044858), (53, 3902626), (82, 2522429), (91, 2272958), (106, 1951313), (182, 1136479), (287, 720694), (371, 557518), (523, 395486), (533, 388066), (574, 360347), (689, 300202), (742, 278759), (1046, 197743), (1066, 194033), (1378, 150101), (2173, 95186), (3661, 56498), (3731, 55438), (4346, 47593), (4823, 42886), (6799, 30422), (7322, 28249), (7462, 27719), (9646, 21443), (13598, 15211)]