491036774397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{16223}}^1$

素因数の和:16970

約数の個数: 64

約数和(自身を含む): 758292627456

約数和(自身を除く): 267255853059

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 643, 663, 923, 1207, 1929, 2769, 3621, 8359, 10931, 15691, 16223, 25077, 32793, 45653, 47073, 48669, 136959, 142103, 210899, 275791, 426309, 593489, 632697, 776101, 827373, 1151833, 1780467, 2328303, 3455499, 3585283, 10089313, 10431389, 10755849, 14973829, 19581161, 30267939, 31294167, 44921487, 58743483, 135608057, 177333613, 254555093, 406824171, 532000839, 740628619, 763665279, 2221885857, 2305336969, 6916010907, 9628172047, 12590686523, 28884516141, 37772059569, 163678924799, 491036774397]

約数ペア:

[(1, 491036774397), (3, 163678924799), (13, 37772059569), (17, 28884516141), (39, 12590686523), (51, 9628172047), (71, 6916010907), (213, 2305336969), (221, 2221885857), (643, 763665279), (663, 740628619), (923, 532000839), (1207, 406824171), (1929, 254555093), (2769, 177333613), (3621, 135608057), (8359, 58743483), (10931, 44921487), (15691, 31294167), (16223, 30267939), (25077, 19581161), (32793, 14973829), (45653, 10755849), (47073, 10431389), (48669, 10089313), (136959, 3585283), (142103, 3455499), (210899, 2328303), (275791, 1780467), (426309, 1151833), (593489, 827373), (632697, 776101)]