25354497

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 18882303

約数列:

[1, 3, 7, 17, 21, 29, 31, 51, 79, 87, 93, 119, 203, 217, 237, 357, 493, 527, 553, 609, 651, 899, 1343, 1479, 1581, 1659, 2291, 2449, 2697, 3451, 3689, 4029, 6293, 6873, 7347, 9401, 10353, 11067, 15283, 16037, 17143, 18879, 28203, 38947, 41633, 45849, 48111, 51429, 71021, 106981, 116841, 124899, 213063, 272629, 291431, 320943, 497147, 817887, 874293, 1207357, 1491441, 3622071, 8451499, 25354497]

約数ペア:

[(1, 25354497), (3, 8451499), (7, 3622071), (17, 1491441), (21, 1207357), (29, 874293), (31, 817887), (51, 497147), (79, 320943), (87, 291431), (93, 272629), (119, 213063), (203, 124899), (217, 116841), (237, 106981), (357, 71021), (493, 51429), (527, 48111), (553, 45849), (609, 41633), (651, 38947), (899, 28203), (1343, 18879), (1479, 17143), (1581, 16037), (1659, 15283), (2291, 11067), (2449, 10353), (2697, 9401), (3451, 7347), (3689, 6873), (4029, 6293)]