25128584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 54840240

約数和(自身を除く): 29711656

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 233, 244, 442, 466, 488, 793, 884, 932, 1037, 1586, 1768, 1864, 2074, 3029, 3172, 3961, 4148, 6058, 6344, 7922, 8296, 12116, 13481, 14213, 15844, 24232, 26962, 28426, 31688, 51493, 53924, 56852, 102986, 107848, 113704, 184769, 205972, 241621, 369538, 411944, 483242, 739076, 966484, 1478152, 1932968, 3141073, 6282146, 12564292, 25128584]

約数ペア:

[(1, 25128584), (2, 12564292), (4, 6282146), (8, 3141073), (13, 1932968), (17, 1478152), (26, 966484), (34, 739076), (52, 483242), (61, 411944), (68, 369538), (104, 241621), (122, 205972), (136, 184769), (221, 113704), (233, 107848), (244, 102986), (442, 56852), (466, 53924), (488, 51493), (793, 31688), (884, 28426), (932, 26962), (1037, 24232), (1586, 15844), (1768, 14213), (1864, 13481), (2074, 12116), (3029, 8296), (3172, 7922), (3961, 6344), (4148, 6058)]