1681428224

素因数分解:

$2^8\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1487}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 3844420608

約数和(自身を除く): 2162992384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 631, 896, 1262, 1487, 1792, 2524, 2974, 4417, 5048, 5948, 8834, 10096, 10409, 11896, 17668, 20192, 20818, 23792, 35336, 40384, 41636, 47584, 70672, 80768, 83272, 95168, 141344, 161536, 166544, 190336, 282688, 333088, 380672, 565376, 666176, 938297, 1130752, 1332352, 1876594, 2664704, 3753188, 6568079, 7506376, 13136158, 15012752, 26272316, 30025504, 52544632, 60051008, 105089264, 120102016, 210178528, 240204032, 420357056, 840714112, 1681428224]

約数ペア:

[(1, 1681428224), (2, 840714112), (4, 420357056), (7, 240204032), (8, 210178528), (14, 120102016), (16, 105089264), (28, 60051008), (32, 52544632), (56, 30025504), (64, 26272316), (112, 15012752), (128, 13136158), (224, 7506376), (256, 6568079), (448, 3753188), (631, 2664704), (896, 1876594), (1262, 1332352), (1487, 1130752), (1792, 938297), (2524, 666176), (2974, 565376), (4417, 380672), (5048, 333088), (5948, 282688), (8834, 190336), (10096, 166544), (10409, 161536), (11896, 141344), (17668, 95168), (20192, 83272), (20818, 80768), (23792, 70672), (35336, 47584), (40384, 41636)]