31890708

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 86329152

約数和(自身を除く): 54438444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 107, 153, 204, 214, 306, 321, 428, 487, 612, 642, 963, 974, 1284, 1461, 1819, 1926, 1948, 2922, 3638, 3852, 4383, 5457, 5844, 7276, 8279, 8766, 10914, 16371, 16558, 17532, 21828, 24837, 32742, 33116, 49674, 52109, 65484, 74511, 99348, 104218, 149022, 156327, 208436, 298044, 312654, 468981, 625308, 885853, 937962, 1771706, 1875924, 2657559, 3543412, 5315118, 7972677, 10630236, 15945354, 31890708]

約数ペア:

[(1, 31890708), (2, 15945354), (3, 10630236), (4, 7972677), (6, 5315118), (9, 3543412), (12, 2657559), (17, 1875924), (18, 1771706), (34, 937962), (36, 885853), (51, 625308), (68, 468981), (102, 312654), (107, 298044), (153, 208436), (204, 156327), (214, 149022), (306, 104218), (321, 99348), (428, 74511), (487, 65484), (612, 52109), (642, 49674), (963, 33116), (974, 32742), (1284, 24837), (1461, 21828), (1819, 17532), (1926, 16558), (1948, 16371), (2922, 10914), (3638, 8766), (3852, 8279), (4383, 7276), (5457, 5844)]