78128752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3719}}^1$

素因数の和:3841

約数の個数: 40

約数和(自身を含む): 164676960

約数和(自身を除く): 86548208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 3719, 5252, 7438, 10504, 14876, 21008, 29752, 48347, 59504, 96694, 193388, 375619, 386776, 751238, 773552, 1502476, 3004952, 4883047, 6009904, 9766094, 19532188, 39064376, 78128752]

約数ペア:

[(1, 78128752), (2, 39064376), (4, 19532188), (8, 9766094), (13, 6009904), (16, 4883047), (26, 3004952), (52, 1502476), (101, 773552), (104, 751238), (202, 386776), (208, 375619), (404, 193388), (808, 96694), (1313, 59504), (1616, 48347), (2626, 29752), (3719, 21008), (5252, 14876), (7438, 10504)]