217727706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 521883648

約数和(自身を除く): 304155942

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 263, 322, 483, 526, 789, 857, 966, 1578, 1714, 1841, 2571, 3682, 5142, 5523, 5999, 6049, 11046, 11998, 12098, 17997, 18147, 19711, 35994, 36294, 39422, 42343, 59133, 84686, 118266, 127029, 137977, 225391, 254058, 275954, 413931, 450782, 676173, 827862, 1352346, 1577737, 3155474, 4733211, 5183993, 9466422, 10367986, 15551979, 31103958, 36287951, 72575902, 108863853, 217727706]

約数ペア:

[(1, 217727706), (2, 108863853), (3, 72575902), (6, 36287951), (7, 31103958), (14, 15551979), (21, 10367986), (23, 9466422), (42, 5183993), (46, 4733211), (69, 3155474), (138, 1577737), (161, 1352346), (263, 827862), (322, 676173), (483, 450782), (526, 413931), (789, 275954), (857, 254058), (966, 225391), (1578, 137977), (1714, 127029), (1841, 118266), (2571, 84686), (3682, 59133), (5142, 42343), (5523, 39422), (5999, 36294), (6049, 35994), (11046, 19711), (11998, 18147), (12098, 17997)]