43987983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 28588017

約数列:

[1, 3, 13, 19, 23, 29, 39, 57, 69, 87, 89, 247, 267, 299, 377, 437, 551, 667, 741, 897, 1131, 1157, 1311, 1653, 1691, 2001, 2047, 2581, 3471, 5073, 5681, 6141, 7163, 7743, 8671, 12673, 17043, 21489, 21983, 26013, 26611, 33553, 38019, 38893, 49039, 59363, 65949, 79833, 100659, 116679, 147117, 164749, 178089, 494247, 505609, 637507, 771719, 1127897, 1516827, 1912521, 2315157, 3383691, 14662661, 43987983]

約数ペア:

[(1, 43987983), (3, 14662661), (13, 3383691), (19, 2315157), (23, 1912521), (29, 1516827), (39, 1127897), (57, 771719), (69, 637507), (87, 505609), (89, 494247), (247, 178089), (267, 164749), (299, 147117), (377, 116679), (437, 100659), (551, 79833), (667, 65949), (741, 59363), (897, 49039), (1131, 38893), (1157, 38019), (1311, 33553), (1653, 26611), (1691, 26013), (2001, 21983), (2047, 21489), (2581, 17043), (3471, 12673), (5073, 8671), (5681, 7743), (6141, 7163)]