890014788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{12113}}^1$

素因数の和:12293

約数の個数: 72

約数和(自身を含む): 2438451288

約数和(自身を除く): 1548436500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 314, 468, 471, 628, 942, 1413, 1884, 2041, 2826, 4082, 5652, 6123, 8164, 12113, 12246, 18369, 24226, 24492, 36339, 36738, 48452, 72678, 73476, 109017, 145356, 157469, 218034, 314938, 436068, 472407, 629876, 944814, 1417221, 1889628, 1901741, 2834442, 3803482, 5668884, 5705223, 7606964, 11410446, 17115669, 22820892, 24722633, 34231338, 49445266, 68462676, 74167899, 98890532, 148335798, 222503697, 296671596, 445007394, 890014788]

約数ペア:

[(1, 890014788), (2, 445007394), (3, 296671596), (4, 222503697), (6, 148335798), (9, 98890532), (12, 74167899), (13, 68462676), (18, 49445266), (26, 34231338), (36, 24722633), (39, 22820892), (52, 17115669), (78, 11410446), (117, 7606964), (156, 5705223), (157, 5668884), (234, 3803482), (314, 2834442), (468, 1901741), (471, 1889628), (628, 1417221), (942, 944814), (1413, 629876), (1884, 472407), (2041, 436068), (2826, 314938), (4082, 218034), (5652, 157469), (6123, 145356), (8164, 109017), (12113, 73476), (12246, 72678), (18369, 48452), (24226, 36738), (24492, 36339)]