2656458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 6814080

約数和(自身を除く): 4157622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 727, 1218, 1454, 1827, 2181, 3654, 4362, 5089, 6543, 10178, 13086, 15267, 21083, 30534, 42166, 45801, 63249, 91602, 126498, 147581, 189747, 295162, 379494, 442743, 885486, 1328229, 2656458]

約数ペア:

[(1, 2656458), (2, 1328229), (3, 885486), (6, 442743), (7, 379494), (9, 295162), (14, 189747), (18, 147581), (21, 126498), (29, 91602), (42, 63249), (58, 45801), (63, 42166), (87, 30534), (126, 21083), (174, 15267), (203, 13086), (261, 10178), (406, 6543), (522, 5089), (609, 4362), (727, 3654), (1218, 2181), (1454, 1827)]