639946476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{8389}}^1$

素因数の和:8575

約数の個数: 72

約数和(自身を含む): 1752973040

約数和(自身を除く): 1113026564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 163, 234, 326, 468, 489, 652, 978, 1467, 1956, 2119, 2934, 4238, 5868, 6357, 8389, 8476, 12714, 16778, 19071, 25167, 25428, 33556, 38142, 50334, 75501, 76284, 100668, 109057, 151002, 218114, 302004, 327171, 436228, 654342, 981513, 1308684, 1367407, 1963026, 2734814, 3926052, 4102221, 5469628, 8204442, 12306663, 16408884, 17776291, 24613326, 35552582, 49226652, 53328873, 71105164, 106657746, 159986619, 213315492, 319973238, 639946476]

約数ペア:

[(1, 639946476), (2, 319973238), (3, 213315492), (4, 159986619), (6, 106657746), (9, 71105164), (12, 53328873), (13, 49226652), (18, 35552582), (26, 24613326), (36, 17776291), (39, 16408884), (52, 12306663), (78, 8204442), (117, 5469628), (156, 4102221), (163, 3926052), (234, 2734814), (326, 1963026), (468, 1367407), (489, 1308684), (652, 981513), (978, 654342), (1467, 436228), (1956, 327171), (2119, 302004), (2934, 218114), (4238, 151002), (5868, 109057), (6357, 100668), (8389, 76284), (8476, 75501), (12714, 50334), (16778, 38142), (19071, 33556), (25167, 25428)]