255640554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4476

約数の個数: 72

約数和(自身を含む): 631481760

約数和(自身を除く): 375841206

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 169, 171, 234, 247, 338, 342, 494, 507, 741, 1014, 1482, 1521, 2223, 3042, 3211, 4423, 4446, 6422, 8846, 9633, 13269, 19266, 26538, 28899, 39807, 57499, 57798, 79614, 84037, 114998, 168074, 172497, 252111, 344994, 504222, 517491, 747487, 756333, 1034982, 1092481, 1494974, 1512666, 2184962, 2242461, 3277443, 4484922, 6554886, 6727383, 9832329, 13454766, 14202253, 19664658, 28404506, 42606759, 85213518, 127820277, 255640554]

約数ペア:

[(1, 255640554), (2, 127820277), (3, 85213518), (6, 42606759), (9, 28404506), (13, 19664658), (18, 14202253), (19, 13454766), (26, 9832329), (38, 6727383), (39, 6554886), (57, 4484922), (78, 3277443), (114, 2242461), (117, 2184962), (169, 1512666), (171, 1494974), (234, 1092481), (247, 1034982), (338, 756333), (342, 747487), (494, 517491), (507, 504222), (741, 344994), (1014, 252111), (1482, 172497), (1521, 168074), (2223, 114998), (3042, 84037), (3211, 79614), (4423, 57798), (4446, 57499), (6422, 39807), (8846, 28899), (9633, 26538), (13269, 19266)]