291218434

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 503059680

約数和(自身を除く): 211841246

約数列:

[1, 2, 13, 19, 26, 38, 137, 169, 247, 274, 331, 338, 494, 662, 1781, 2603, 3211, 3562, 4303, 5206, 6289, 6422, 8606, 12578, 23153, 33839, 45347, 46306, 55939, 67678, 81757, 90694, 111878, 163514, 439907, 589511, 861593, 879814, 1062841, 1179022, 1723186, 2125682, 7663643, 11200709, 15327286, 22401418, 145609217, 291218434]

約数ペア:

[(1, 291218434), (2, 145609217), (13, 22401418), (19, 15327286), (26, 11200709), (38, 7663643), (137, 2125682), (169, 1723186), (247, 1179022), (274, 1062841), (331, 879814), (338, 861593), (494, 589511), (662, 439907), (1781, 163514), (2603, 111878), (3211, 90694), (3562, 81757), (4303, 67678), (5206, 55939), (6289, 46306), (6422, 45347), (8606, 33839), (12578, 23153)]