31156675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 45532800

約数和(自身を除く): 14376125

約数列:

[1, 5, 11, 19, 25, 55, 67, 89, 95, 209, 275, 335, 445, 475, 737, 979, 1045, 1273, 1675, 1691, 2225, 3685, 4895, 5225, 5963, 6365, 8455, 14003, 18425, 18601, 24475, 29815, 31825, 42275, 65593, 70015, 93005, 113297, 149075, 327965, 350075, 465025, 566485, 1246267, 1639825, 2832425, 6231335, 31156675]

約数ペア:

[(1, 31156675), (5, 6231335), (11, 2832425), (19, 1639825), (25, 1246267), (55, 566485), (67, 465025), (89, 350075), (95, 327965), (209, 149075), (275, 113297), (335, 93005), (445, 70015), (475, 65593), (737, 42275), (979, 31825), (1045, 29815), (1273, 24475), (1675, 18601), (1691, 18425), (2225, 14003), (3685, 8455), (4895, 6365), (5225, 5963)]