201609668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 390168576

約数和(自身を除く): 188558908

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 191, 212, 382, 383, 689, 764, 766, 1378, 1532, 2483, 2756, 4966, 4979, 9932, 9958, 10123, 19916, 20246, 20299, 40492, 40598, 73153, 81196, 131599, 146306, 263198, 263887, 292612, 526396, 527774, 950989, 1055548, 1901978, 3803956, 3877109, 7754218, 15508436, 50402417, 100804834, 201609668]

約数ペア:

[(1, 201609668), (2, 100804834), (4, 50402417), (13, 15508436), (26, 7754218), (52, 3877109), (53, 3803956), (106, 1901978), (191, 1055548), (212, 950989), (382, 527774), (383, 526396), (689, 292612), (764, 263887), (766, 263198), (1378, 146306), (1532, 131599), (2483, 81196), (2756, 73153), (4966, 40598), (4979, 40492), (9932, 20299), (9958, 20246), (10123, 19916)]