1640471392

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{33749}}^1$

素因数の和:33804

約数の個数: 72

約数和(自身を含む): 3878280000

約数和(自身を除く): 2237808608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 784, 868, 992, 1519, 1568, 1736, 3038, 3472, 6076, 6944, 12152, 24304, 33749, 48608, 67498, 134996, 236243, 269992, 472486, 539984, 944972, 1046219, 1079968, 1653701, 1889944, 2092438, 3307402, 3779888, 4184876, 6614804, 7323533, 7559776, 8369752, 13229608, 14647066, 16739504, 26459216, 29294132, 33479008, 51264731, 52918432, 58588264, 102529462, 117176528, 205058924, 234353056, 410117848, 820235696, 1640471392]

約数ペア:

[(1, 1640471392), (2, 820235696), (4, 410117848), (7, 234353056), (8, 205058924), (14, 117176528), (16, 102529462), (28, 58588264), (31, 52918432), (32, 51264731), (49, 33479008), (56, 29294132), (62, 26459216), (98, 16739504), (112, 14647066), (124, 13229608), (196, 8369752), (217, 7559776), (224, 7323533), (248, 6614804), (392, 4184876), (434, 3779888), (496, 3307402), (784, 2092438), (868, 1889944), (992, 1653701), (1519, 1079968), (1568, 1046219), (1736, 944972), (3038, 539984), (3472, 472486), (6076, 269992), (6944, 236243), (12152, 134996), (24304, 67498), (33749, 48608)]