639589176

素因数分解:

$2^3\times 3^3\times {\mathrm{41}}^1\times {\mathrm{72221}}^1$

素因数の和:72277

約数の個数: 64

約数和(自身を含む): 1819994400

約数和(自身を除く): 1180405224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 41, 54, 72, 82, 108, 123, 164, 216, 246, 328, 369, 492, 738, 984, 1107, 1476, 2214, 2952, 4428, 8856, 72221, 144442, 216663, 288884, 433326, 577768, 649989, 866652, 1299978, 1733304, 1949967, 2599956, 2961061, 3899934, 5199912, 5922122, 7799868, 8883183, 11844244, 15599736, 17766366, 23688488, 26649549, 35532732, 53299098, 71065464, 79948647, 106598196, 159897294, 213196392, 319794588, 639589176]

約数ペア:

[(1, 639589176), (2, 319794588), (3, 213196392), (4, 159897294), (6, 106598196), (8, 79948647), (9, 71065464), (12, 53299098), (18, 35532732), (24, 26649549), (27, 23688488), (36, 17766366), (41, 15599736), (54, 11844244), (72, 8883183), (82, 7799868), (108, 5922122), (123, 5199912), (164, 3899934), (216, 2961061), (246, 2599956), (328, 1949967), (369, 1733304), (492, 1299978), (738, 866652), (984, 649989), (1107, 577768), (1476, 433326), (2214, 288884), (2952, 216663), (4428, 144442), (8856, 72221)]