242705658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 552988800

約数和(自身を除く): 310283142

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 389, 421, 494, 741, 778, 842, 1167, 1263, 1482, 2334, 2526, 5057, 5473, 7391, 7999, 10114, 10946, 14782, 15171, 15998, 16419, 22173, 23997, 30342, 32838, 44346, 47994, 96083, 103987, 163769, 192166, 207974, 288249, 311961, 327538, 491307, 576498, 623922, 982614, 2128997, 3111611, 4257994, 6223222, 6386991, 9334833, 12773982, 18669666, 40450943, 80901886, 121352829, 242705658]

約数ペア:

[(1, 242705658), (2, 121352829), (3, 80901886), (6, 40450943), (13, 18669666), (19, 12773982), (26, 9334833), (38, 6386991), (39, 6223222), (57, 4257994), (78, 3111611), (114, 2128997), (247, 982614), (389, 623922), (421, 576498), (494, 491307), (741, 327538), (778, 311961), (842, 288249), (1167, 207974), (1263, 192166), (1482, 163769), (2334, 103987), (2526, 96083), (5057, 47994), (5473, 44346), (7391, 32838), (7999, 30342), (10114, 23997), (10946, 22173), (14782, 16419), (15171, 15998)]