61581996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7883}}^1$

素因数の和:7931

約数の個数: 72

約数和(自身を含む): 183665664

約数和(自身を除く): 122083668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 7883, 15766, 23649, 31532, 47298, 55181, 70947, 94596, 110362, 141894, 165543, 220724, 244373, 283788, 331086, 488746, 496629, 662172, 733119, 977492, 993258, 1466238, 1710611, 1986516, 2199357, 2932476, 3421222, 4398714, 5131833, 6842444, 8797428, 10263666, 15395499, 20527332, 30790998, 61581996]

約数ペア:

[(1, 61581996), (2, 30790998), (3, 20527332), (4, 15395499), (6, 10263666), (7, 8797428), (9, 6842444), (12, 5131833), (14, 4398714), (18, 3421222), (21, 2932476), (28, 2199357), (31, 1986516), (36, 1710611), (42, 1466238), (62, 993258), (63, 977492), (84, 733119), (93, 662172), (124, 496629), (126, 488746), (186, 331086), (217, 283788), (252, 244373), (279, 220724), (372, 165543), (434, 141894), (558, 110362), (651, 94596), (868, 70947), (1116, 55181), (1302, 47298), (1953, 31532), (2604, 23649), (3906, 15766), (7812, 7883)]