678983487

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 1180139520

約数和(自身を除く): 501156033

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 223, 247, 273, 399, 587, 669, 741, 1561, 1729, 1761, 2899, 4109, 4237, 4683, 5187, 7631, 8697, 11153, 12327, 12711, 20293, 22893, 29659, 33459, 53417, 55081, 60879, 78071, 88977, 130901, 144989, 160251, 165243, 234213, 385567, 392703, 434967, 916307, 1014923, 1156701, 1701713, 2487119, 2748921, 3044769, 5105139, 7461357, 11911991, 17409833, 32332547, 35735973, 52229499, 96997641, 226327829, 678983487]

約数ペア:

[(1, 678983487), (3, 226327829), (7, 96997641), (13, 52229499), (19, 35735973), (21, 32332547), (39, 17409833), (57, 11911991), (91, 7461357), (133, 5105139), (223, 3044769), (247, 2748921), (273, 2487119), (399, 1701713), (587, 1156701), (669, 1014923), (741, 916307), (1561, 434967), (1729, 392703), (1761, 385567), (2899, 234213), (4109, 165243), (4237, 160251), (4683, 144989), (5187, 130901), (7631, 88977), (8697, 78071), (11153, 60879), (12327, 55081), (12711, 53417), (20293, 33459), (22893, 29659)]