644557428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{2087}}^1$

素因数の和:2493

約数の個数: 72

約数和(自身を含む): 1705511808

約数和(自身を除く): 1060954380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 373, 414, 746, 828, 1119, 1492, 2087, 2238, 3357, 4174, 4476, 6261, 6714, 8348, 8579, 12522, 13428, 17158, 18783, 25044, 25737, 34316, 37566, 48001, 51474, 75132, 77211, 96002, 102948, 144003, 154422, 192004, 288006, 308844, 432009, 576012, 778451, 864018, 1556902, 1728036, 2335353, 3113804, 4670706, 7006059, 9341412, 14012118, 17904373, 28024236, 35808746, 53713119, 71617492, 107426238, 161139357, 214852476, 322278714, 644557428]

約数ペア:

[(1, 644557428), (2, 322278714), (3, 214852476), (4, 161139357), (6, 107426238), (9, 71617492), (12, 53713119), (18, 35808746), (23, 28024236), (36, 17904373), (46, 14012118), (69, 9341412), (92, 7006059), (138, 4670706), (207, 3113804), (276, 2335353), (373, 1728036), (414, 1556902), (746, 864018), (828, 778451), (1119, 576012), (1492, 432009), (2087, 308844), (2238, 288006), (3357, 192004), (4174, 154422), (4476, 144003), (6261, 102948), (6714, 96002), (8348, 77211), (8579, 75132), (12522, 51474), (13428, 48001), (17158, 37566), (18783, 34316), (25044, 25737)]