256435197

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 378111552

約数和(自身を除く): 121676355

約数列:

[1, 3, 29, 37, 41, 67, 87, 111, 123, 201, 841, 1073, 1189, 1517, 1943, 2479, 2523, 2747, 3219, 3567, 4551, 5829, 7437, 8241, 31117, 34481, 43993, 56347, 71891, 79663, 93351, 101639, 103443, 131979, 169041, 215673, 238989, 304917, 1275797, 2084839, 2310227, 2947531, 3827391, 6254517, 6930681, 8842593, 85478399, 256435197]

約数ペア:

[(1, 256435197), (3, 85478399), (29, 8842593), (37, 6930681), (41, 6254517), (67, 3827391), (87, 2947531), (111, 2310227), (123, 2084839), (201, 1275797), (841, 304917), (1073, 238989), (1189, 215673), (1517, 169041), (1943, 131979), (2479, 103443), (2523, 101639), (2747, 93351), (3219, 79663), (3567, 71891), (4551, 56347), (5829, 43993), (7437, 34481), (8241, 31117)]