31868375

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 52035984

約数和(自身を除く): 20167609

約数列:

[1, 5, 7, 11, 25, 35, 43, 49, 55, 77, 121, 125, 175, 215, 245, 275, 301, 385, 473, 539, 605, 847, 875, 1075, 1225, 1375, 1505, 1925, 2107, 2365, 2695, 3025, 3311, 4235, 5203, 5375, 5929, 6125, 7525, 9625, 10535, 11825, 13475, 15125, 16555, 21175, 23177, 26015, 29645, 36421, 37625, 52675, 59125, 67375, 82775, 105875, 115885, 130075, 148225, 182105, 254947, 263375, 413875, 579425, 650375, 741125, 910525, 1274735, 2897125, 4552625, 6373675, 31868375]

約数ペア:

[(1, 31868375), (5, 6373675), (7, 4552625), (11, 2897125), (25, 1274735), (35, 910525), (43, 741125), (49, 650375), (55, 579425), (77, 413875), (121, 263375), (125, 254947), (175, 182105), (215, 148225), (245, 130075), (275, 115885), (301, 105875), (385, 82775), (473, 67375), (539, 59125), (605, 52675), (847, 37625), (875, 36421), (1075, 29645), (1225, 26015), (1375, 23177), (1505, 21175), (1925, 16555), (2107, 15125), (2365, 13475), (2695, 11825), (3025, 10535), (3311, 9625), (4235, 7525), (5203, 6125), (5375, 5929)]