639402582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9221}}^1$

素因数の和:9373

約数の個数: 64

約数和(自身を含む): 1586479104

約数和(自身を除く): 947076522

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 381, 546, 762, 889, 1651, 1778, 2667, 3302, 4953, 5334, 9221, 9906, 11557, 18442, 23114, 27663, 34671, 55326, 64547, 69342, 119873, 129094, 193641, 239746, 359619, 387282, 719238, 839111, 1171067, 1678222, 2342134, 2517333, 3513201, 5034666, 7026402, 8197469, 15223871, 16394938, 24592407, 30447742, 45671613, 49184814, 91343226, 106567097, 213134194, 319701291, 639402582]

約数ペア:

[(1, 639402582), (2, 319701291), (3, 213134194), (6, 106567097), (7, 91343226), (13, 49184814), (14, 45671613), (21, 30447742), (26, 24592407), (39, 16394938), (42, 15223871), (78, 8197469), (91, 7026402), (127, 5034666), (182, 3513201), (254, 2517333), (273, 2342134), (381, 1678222), (546, 1171067), (762, 839111), (889, 719238), (1651, 387282), (1778, 359619), (2667, 239746), (3302, 193641), (4953, 129094), (5334, 119873), (9221, 69342), (9906, 64547), (11557, 55326), (18442, 34671), (23114, 27663)]