31378968

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{2741}}^1$

素因数の和:2809

約数の個数: 64

約数和(自身を含む): 88840800

約数和(自身を除く): 57461832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2741, 2862, 3816, 5482, 5724, 8223, 10964, 11448, 16446, 21928, 24669, 32892, 49338, 65784, 74007, 98676, 145273, 148014, 197352, 290546, 296028, 435819, 581092, 592056, 871638, 1162184, 1307457, 1743276, 2614914, 3486552, 3922371, 5229828, 7844742, 10459656, 15689484, 31378968]

約数ペア:

[(1, 31378968), (2, 15689484), (3, 10459656), (4, 7844742), (6, 5229828), (8, 3922371), (9, 3486552), (12, 2614914), (18, 1743276), (24, 1307457), (27, 1162184), (36, 871638), (53, 592056), (54, 581092), (72, 435819), (106, 296028), (108, 290546), (159, 197352), (212, 148014), (216, 145273), (318, 98676), (424, 74007), (477, 65784), (636, 49338), (954, 32892), (1272, 24669), (1431, 21928), (1908, 16446), (2741, 11448), (2862, 10964), (3816, 8223), (5482, 5724)]