51421292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 104837040

約数和(自身を除く): 53415748

約数列:

[1, 2, 4, 13, 26, 29, 43, 52, 58, 61, 86, 116, 122, 169, 172, 244, 338, 377, 559, 676, 754, 793, 1118, 1247, 1508, 1586, 1769, 2236, 2494, 2623, 3172, 3538, 4901, 4988, 5246, 7076, 7267, 9802, 10309, 10492, 14534, 16211, 19604, 20618, 22997, 29068, 32422, 34099, 41236, 45994, 64844, 68198, 76067, 91988, 136396, 152134, 210743, 298961, 304268, 421486, 443287, 597922, 842972, 886574, 988871, 1195844, 1773148, 1977742, 3955484, 12855323, 25710646, 51421292]

約数ペア:

[(1, 51421292), (2, 25710646), (4, 12855323), (13, 3955484), (26, 1977742), (29, 1773148), (43, 1195844), (52, 988871), (58, 886574), (61, 842972), (86, 597922), (116, 443287), (122, 421486), (169, 304268), (172, 298961), (244, 210743), (338, 152134), (377, 136396), (559, 91988), (676, 76067), (754, 68198), (793, 64844), (1118, 45994), (1247, 41236), (1508, 34099), (1586, 32422), (1769, 29068), (2236, 22997), (2494, 20618), (2623, 19604), (3172, 16211), (3538, 14534), (4901, 10492), (4988, 10309), (5246, 9802), (7076, 7267)]