726393616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 1555400448

約数和(自身を除く): 829006832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 101, 104, 142, 202, 208, 284, 404, 487, 568, 808, 923, 974, 1136, 1313, 1616, 1846, 1948, 2626, 3692, 3896, 5252, 6331, 7171, 7384, 7792, 10504, 12662, 14342, 14768, 21008, 25324, 28684, 34577, 49187, 50648, 57368, 69154, 93223, 98374, 101296, 114736, 138308, 186446, 196748, 276616, 372892, 393496, 449501, 553232, 639431, 745784, 786992, 899002, 1278862, 1491568, 1798004, 2557724, 3492277, 3596008, 5115448, 6984554, 7192016, 10230896, 13969108, 27938216, 45399601, 55876432, 90799202, 181598404, 363196808, 726393616]

約数ペア:

[(1, 726393616), (2, 363196808), (4, 181598404), (8, 90799202), (13, 55876432), (16, 45399601), (26, 27938216), (52, 13969108), (71, 10230896), (101, 7192016), (104, 6984554), (142, 5115448), (202, 3596008), (208, 3492277), (284, 2557724), (404, 1798004), (487, 1491568), (568, 1278862), (808, 899002), (923, 786992), (974, 745784), (1136, 639431), (1313, 553232), (1616, 449501), (1846, 393496), (1948, 372892), (2626, 276616), (3692, 196748), (3896, 186446), (5252, 138308), (6331, 114736), (7171, 101296), (7384, 98374), (7792, 93223), (10504, 69154), (12662, 57368), (14342, 50648), (14768, 49187), (21008, 34577), (25324, 28684)]