78640912

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 186630912

約数和(自身を除く): 107990000

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 103, 112, 119, 136, 206, 238, 272, 401, 412, 476, 721, 802, 824, 952, 1442, 1604, 1648, 1751, 1904, 2807, 2884, 3208, 3502, 5614, 5768, 6416, 6817, 7004, 11228, 11536, 12257, 13634, 14008, 22456, 24514, 27268, 28016, 41303, 44912, 47719, 49028, 54536, 82606, 95438, 98056, 109072, 165212, 190876, 196112, 289121, 330424, 381752, 578242, 660848, 702151, 763504, 1156484, 1404302, 2312968, 2808604, 4625936, 4915057, 5617208, 9830114, 11234416, 19660228, 39320456, 78640912]

約数ペア:

[(1, 78640912), (2, 39320456), (4, 19660228), (7, 11234416), (8, 9830114), (14, 5617208), (16, 4915057), (17, 4625936), (28, 2808604), (34, 2312968), (56, 1404302), (68, 1156484), (103, 763504), (112, 702151), (119, 660848), (136, 578242), (206, 381752), (238, 330424), (272, 289121), (401, 196112), (412, 190876), (476, 165212), (721, 109072), (802, 98056), (824, 95438), (952, 82606), (1442, 54536), (1604, 49028), (1648, 47719), (1751, 44912), (1904, 41303), (2807, 28016), (2884, 27268), (3208, 24514), (3502, 22456), (5614, 14008), (5768, 13634), (6416, 12257), (6817, 11536), (7004, 11228)]