263145584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74419}}^1$

素因数の和:74457

約数の個数: 40

約数和(自身を含む): 581369040

約数和(自身を除く): 318223456

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 74419, 148838, 297676, 595352, 967447, 1190704, 1265123, 1934894, 2530246, 3869788, 5060492, 7739576, 10120984, 15479152, 16446599, 20241968, 32893198, 65786396, 131572792, 263145584]

約数ペア:

[(1, 263145584), (2, 131572792), (4, 65786396), (8, 32893198), (13, 20241968), (16, 16446599), (17, 15479152), (26, 10120984), (34, 7739576), (52, 5060492), (68, 3869788), (104, 2530246), (136, 1934894), (208, 1265123), (221, 1190704), (272, 967447), (442, 595352), (884, 297676), (1768, 148838), (3536, 74419)]