726947132

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 1373319360

約数和(自身を除く): 646372228

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 289, 521, 578, 1042, 1156, 1207, 2084, 2414, 4828, 4913, 8857, 9826, 17714, 19652, 20519, 35428, 36991, 41038, 73982, 82076, 147964, 150569, 301138, 348823, 602276, 628847, 697646, 1257694, 1395292, 2515388, 2559673, 5119346, 10238692, 10690399, 21380798, 42761596, 181736783, 363473566, 726947132]

約数ペア:

[(1, 726947132), (2, 363473566), (4, 181736783), (17, 42761596), (34, 21380798), (68, 10690399), (71, 10238692), (142, 5119346), (284, 2559673), (289, 2515388), (521, 1395292), (578, 1257694), (1042, 697646), (1156, 628847), (1207, 602276), (2084, 348823), (2414, 301138), (4828, 150569), (4913, 147964), (8857, 82076), (9826, 73982), (17714, 41038), (19652, 36991), (20519, 35428)]