161405478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 383285448

約数和(自身を除く): 221879970

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 117, 169, 194, 234, 291, 338, 507, 547, 582, 873, 1014, 1094, 1261, 1521, 1641, 1746, 2522, 3042, 3282, 3783, 4923, 7111, 7566, 9846, 11349, 14222, 16393, 21333, 22698, 32786, 42666, 49179, 53059, 63999, 92443, 98358, 106118, 127998, 147537, 159177, 184886, 277329, 295074, 318354, 477531, 554658, 689767, 831987, 955062, 1379534, 1663974, 2069301, 4138602, 6207903, 8966971, 12415806, 17933942, 26900913, 53801826, 80702739, 161405478]

約数ペア:

[(1, 161405478), (2, 80702739), (3, 53801826), (6, 26900913), (9, 17933942), (13, 12415806), (18, 8966971), (26, 6207903), (39, 4138602), (78, 2069301), (97, 1663974), (117, 1379534), (169, 955062), (194, 831987), (234, 689767), (291, 554658), (338, 477531), (507, 318354), (547, 295074), (582, 277329), (873, 184886), (1014, 159177), (1094, 147537), (1261, 127998), (1521, 106118), (1641, 98358), (1746, 92443), (2522, 63999), (3042, 53059), (3282, 49179), (3783, 42666), (4923, 32786), (7111, 22698), (7566, 21333), (9846, 16393), (11349, 14222)]